many nonscientist careers require a knowledge of science because workers must
a.) develop new science laws and theories.
b.) use materials and processes that follow scientific principles.
c.) use the process of scientific injury.
d.) keep up with new developments in science.
Answers
Related Questions
A fish farmer has a large pool used to grow a species of fish. The farmer decides to add a second species of fish to the pool. Both fish species feed on the same type of food, but the fish farmer does not increase the amount of food added to the pool, maintaining the same carrying capacity in the pool.
Which graph shows how the population of the two fish species will change?
Answers
Answer:
D
Explanation:
Explanation: The capacity of fish to the ratio of population change increased and showed a variable degree of measurements.
If an ichthyosis man (with scaly skin) marries a healthy woman, whose parents were equally healthy. to. what are the probabilities in this marriage of having ichthyotic offspring, knowing that this disease is controlled by a non-autosomal recessive (i) gene? b. represents the crossing and the genotypic and phenotypic proportion of the offspring, by sex. c. it defines the type of inheritance that is manifested in the transmission of this character.
Answers
Ichthyosis is an X-linked recessive disorder then the probability is that there is a 50% chance of having sons with ichthyosis and a 50% chance of having daughters who are carriers. If he marries a healthy woman then none of the son will be affected but all the daughters will be carriers.
The type of inheritance manifested in the transmission of this character is X-linked recessive. It means that the gene responsible for ichthyosis is located on the X chromosome, and the trait is more commonly observed in males. Males only have one X chromosome, so if they inherit the affected X chromosome, they will express the disorder.
If the man with ichthyosis (XY) marries a woman who is not a carrier (XX), none of their sons will have ichthyosis, as they will receive the healthy X chromosome from their mother. However, all of their daughters will be carriers of the ichthyosis gene. If the man with ichthyosis (XY) marries a carrier woman (X(Xi)X), there is a 50% chance of having sons with ichthyosis and a 50% chance of having daughters who are carriers.
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There is a city called Khulna. The city peoples have been suffering from water supply, sanitation and drainage, solid waste disposal, clinical and hospital wastes, domestic sewage disposal, industrial pollution, water logging, slum and squatters, destruction of open and green spaces etc. The city dwellers expressed their concerns about the recent environmental problems they are being encountering everyday.
Every environmental issue is associates with a variety of problems such as aesthetic problem, health hazard, severe drainage congestion, pollution of soils and water bodies, which has sociological, ecological, economical and political implications. Waste, water logging, water supply, sanitation and drainage issues are the major problems for daily city life. The present waste and water supply, sanitation and drainage management scenario in Khulna city is not up to the desired level.
Q: Discuss about future of Khulna City if we do not take steps on it.
Answers
If steps are not taken to address the environmental problems faced by Khulna City, the future could be challenging and potentially worsen in several aspects such as Healthcare and Environmental Degradation.
Health Implications: The inadequate water supply, sanitation, and drainage systems can lead to an increased risk of waterborne diseases, such as diarrhea, cholera, and other infections. This can have severe consequences on public health, resulting in higher healthcare costs, increased morbidity, and mortality rates.Environmental Degradation: Without proper waste management and pollution control measures, the city's environment will continue to deteriorate. Pollution of soils and water bodies can harm ecosystems, reduce biodiversity, and contaminate natural resources. This can have long-term implications for agricultural productivity, water availability, and overall environmental sustainability.Infrastructure Challenges: The issues of severe drainage congestion and water logging can cause significant damage to infrastructure, including roads, buildings, and public utilities. This can disrupt transportation, hinder economic activities, and increase maintenance costs for public infrastructure.Socioeconomic Impact: The environmental problems in Khulna City can have profound socioeconomic implications. Aesthetic problems, such as the destruction of open and green spaces, can impact the quality of life and attractiveness of the city for residents, tourists, and potential investors. The presence of slums and squatters further exacerbates social inequality and can lead to social unrest.Economic Consequences: The inefficient management of waste, water supply, sanitation, and drainage can impose economic burdens on the city. Increased healthcare costs, damage to infrastructure, and decreased productivity due to health issues and environmental constraints can hinder economic growth and development. It can also deter potential investments and affect the livelihoods of the residents.Political Challenges: The inability to address these pressing environmental issues can lead to public dissatisfaction and unrest. It may result in a loss of confidence in the local government's ability to provide basic services and ensure the well-being of the population. This can create political challenges and impact the stability and governance of the city.To secure a better future for Khulna City, it is crucial to prioritize and implement sustainable solutions to address the existing environmental problems. This requires collaborative efforts between the government, local authorities, communities, and relevant stakeholders to improve waste management, enhance water supply and sanitation systems, manage drainage effectively, mitigate pollution, and preserve natural resources. Investing in sustainable infrastructure, promoting environmental awareness, and enforcing regulations are key steps to create a healthier, more livable, and resilient city for the residents of Khulna.
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cushing's disease is a result of which of the following? cushing's disease is a result of which of the following? hyposecretion of mineralocorticoids hypersecretion of epinephrine and norepinephrine hypersecretion of glucocorticoids hyposecretion of corticosteroids
Answers
Cushing's disease is a hormonal disorder characterized by the excessive secretion of glucocorticoids, specifically cortisol, in the body.
Cortisol plays a crucial role in the body's response to stress and helps regulate various physiological functions. However, prolonged exposure to high levels of cortisol can have detrimental effects on the body.
Cushing's disease is typically caused by the presence of a tumor in the pituitary gland, a small gland located at the base of the brain.
This tumor leads to the overproduction of cortisol, disrupting the normal hormonal balance.
The symptoms of Cushing's disease can be severe and may include obesity, hypertension, diabetes, mood disorders, and more.
To address Cushing's disease, treatment options often involve surgical intervention to remove the tumor causing the excessive cortisol production. In some cases, medications may be prescribed to reduce cortisol levels and alleviate the associated symptoms.
Early diagnosis and appropriate management are crucial to prevent complications and improve the overall well-being of individuals with Cushing's disease.
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help me pls thank you
Answers
Explanation:
Interdependence. All organisms in an ecosystem depend upon each other. If the population of one organism rises or falls, then this can affect the rest of the ecosystem. If the foxes in the food chain above were killed, the population of rabbits would increase because they are no longer prey to the foxes.
Aside from being a good marksman, what is the key to making a clean kill?
A
luck
B
patience
C
range
D
weather
Answers
Answer:
C. range
Explanation:
Being a good marksman requires a very good range of whatever target you intends to shoot.
It would gain nutrients from the water in the environment.
Answers
Answer:
True?
Explanation:
Which of the following stimuli is detected by a chemoreceptor?
a) increased blood pressure
b) decreased blood oxygen concentration
c) vasodilation of arterioles
d) stretch in the walls of arteries
Answers
The right response is (b) a decrease in blood oxygenation. Chemoreceptors are sensory receptors that can detect changes in the environment's chemistry.
How does a chemoreceptor work?The central nervous system activates bodily reactions to reestablish homeostasis when a chemoreceptor detects alterations in the typical environment, such as an increase in blood levels of carbon dioxide (hypercapnia) or a drop in blood levels of oxygen (hypoxia).
Chemoreceptors have the ability to perceive taste and smell. Chemicals are released as the food is digested in the mouth.
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in electron micrographs, portions of the endoplasmic reticulum (er) appear rough on the edges. this is because
Answers
In electron micrographs, portions of the endoplasmic reticulum (ER) appear rough on the edges due to the presence of ribosomes attached to their surface. The ribosomes are small structures that are involved in protein synthesis, and they attach to the ER to perform their function.
The ER is a network of membranes that forms a complex network throughout the cytoplasm of eukaryotic cells.
The rough ER is specifically involved in protein synthesis, folding, and modification. The ribosomes on the surface of the rough ER synthesize proteins that are then translocated into the ER lumen, where they undergo further processing, such as glycosylation and folding. These modified proteins are then transported to other cellular compartments or secreted from the cell.
The rough appearance of the ER in electron micrographs is due to the ribosomes that are densely packed on its surface. The ribosomes give the ER a granular appearance, and the roughness is more prominent in areas where protein synthesis is more active. Therefore, the roughness of the ER can provide important information about the protein synthesis activity and metabolic status of a cell.
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Which is used by paleoanthropologists to discover new fossil sites or localities?
Answers
Ground-penetrating radar is used by paleoanthropologists to discover new fossil sites or localities.
Paleoanthropologists rely on ground-penetrating radar to uncover and identify potential fossil sites or localities. Ground-penetrating radar (GPR) is a geophysical technique that uses radar pulses to create images of the subsurface.
It allows scientists to "see" beneath the ground without the need for excavation.
By sending into the ground and measuring the reflections that bounce back, GPR can detect variations in the subsurface composition. This includes identifying changes in soil density, the presence of sediment layers, and the possible presence of fossils or other artifacts.
By analyzing the data collected through GPR, paleoanthropologists can pinpoint potential locations where fossils may be buried.
GPR is a non-destructive and non-invasive method, making it particularly valuable in paleoanthropology, where the preservation of delicate fossil remains is crucial. It allows researchers to survey large areas quickly and efficiently, reducing the need for extensive excavations.
By using GPR, paleoanthropologists can prioritize excavation efforts and focus on areas with the highest potential for fossil discoveries.
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What is substance in science?
Answers
Answer: A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
sub·stance
a particular kind of matter with uniform properties.
"a steel tube coated with a waxy substance"
Similar:
material
matter
stuff
medium
Carefully analyze your reult to determine the relative ize of molecule that did or did not diffue acro the dialyi membrane
Answers
The most reliable method for determining the size of a molecule is through the use of a gel electrophoresis experiment.
This experiment measures the size of different molecules based on the rate at which they migrate through a gel. The smaller the molecule, the faster it migrates. During the experiment, a sample containing the molecules of interest is placed in the gel and a current is applied. As the current moves through the gel, the molecules move along with it. The size of each molecule can then be determined by measuring the distance it traveled in a set amount of time.
In addition to the gel electrophoresis experiment, other methods can also be used to determine the size of a molecule. These include size exclusion chromatography and dynamic light scattering. Both of these methods measure the size of a molecule by analyzing the amount of light that is scattered off the molecule when it passes through a beam of light. The larger the molecule, the more light is scattered and the easier it is to measure the size.
Once the size of the molecules has been determined, the results can be compared to the results of the dialysis membrane experiment. Molecules that were able to diffuse across the membrane will be smaller than those that did not. This can be used to determine the relative size of the molecules that did or did not diffuse across the membrane.
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Complete question :
Carefully analyse your result to determine the relative sizes of molecules that did or did not diffuse across the dialysis membrane?
What is the spur of a plant
Answers
Spur is an extension of tissues on various organs of the plants. In trees, spurs are the brief stems where the fruits and flowers arise. A spur on a flower is the indented expansion on the nectar of the flower. Its importance is for reproduction purposes.
Select the correct answer.
Which mutation is harmful to the organism?
A.
a mutation allowing moths to camouflage better on blackened tree bark
B.
a mutation making Staphylococcus aureus resistant to the antibiotic methicillin
C.
a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell
D.
a mutation causing uncontrolled cell division
E.
a mutation giving plant leaves a bitter taste to discourage herbivores from eating them
Answers
The mutation that is harmful to organisms is a mutation causing uncontrolled cell division. Option D
Harmful mutationA mutation causing uncontrolled cell division is harmful to the organism. It can lead to the development of cancer, which can be fatal.
Uncontrolled cell division is harmful because it can lead to the formation of tumors and the development of cancer. This can result in the destruction of healthy tissues and organs, leading to serious health problems or even death.
The other mutations listed can be beneficial or neutral to the organism.
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1) What does the negative distance in UAM indicate?
2) What does a negative velocity in UAM mean?
3) When you toss a ball into the air expecting it to hit the ground later, when will the ball achieve its
highest velocity? highest acceleration?
4) Suppose you drop an object both on Earth and on the moon, how do you compare its velocity on
Earth and on the moon?
PASAGOT PO BADLY NEEDED
Answers
Answer:
the negative distance in UAM indicates left side and downward movement of an object.
Explanation:
The negative distance in uniformly accelerated motion (UAM) indicates that the object is moving to the left side in Horizontal ( UAM ) and the object is moving downwards in Vertical ( UAM ). A positive velocity means that the object is moving in the positive direction, is related to the coordinate system, while a negative velocity means the object is traveling in the opposite direction. The velocity of an object on the moon is very low because the force of gravity is 6 times lower than earth so velocity of an object on the earth is higher than on the moon.
The first aminoacyl-tRNA is special; it is called the initiator tRNA, abbreviated fMet-tRNA (fMet)
Answers
Aminoacyl-tRNAs are molecules composed of a tRNA molecule and an amino acid. They play a crucial role in protein synthesis by delivering the correct amino acid to the ribosome during translation.
The first aminoacyl-tRNA in the process of protein synthesis is special and is known as the initiator tRNA. In bacteria, the initiator tRNA is called fMet-tRNA (fMet), where "fMet" stands for formylmethionine. The initiator tRNA differs from other aminoacyl-tRNAs in several ways.
First, it is charged with a specific amino acid, formylmethionine, which is a modified form of methionine. This modified amino acid is only used at the beginning of protein synthesis and is not found in the middle or at the end of the protein chain. Second, the initiator tRNA has a unique anticodon sequence that recognizes the start codon AUG in mRNA, which signals the beginning of protein synthesis.
The initiation of protein synthesis is a complex process involving the recruitment of several factors that help to assemble the ribosome and initiate translation. The initiator tRNA plays a crucial role in this process by delivering the first amino acid to the ribosome and initiating the elongation phase of protein synthesis. Its unique properties make it essential for the correct initiation of protein synthesis and the production of functional proteins.
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which group of organisms represents the outgroup in the clade that includes only crocodilians, ornithischian dinosaurs, saurischian dinosaurs, and birds?
Answers
Archosaurs are a group of organisms that belong to the same clade that is Dinosauria.
There is abundant evidence that birds developed within the clade Dinosauria, which is broken down into two groups, dinosaur hips (Saurischia) and bird hips (Ornithischia). Despite the names, it wasn’t bird-hipping dinosaurs that created modern birds. Instead, Saurischia split into two groups: one that included long-necked, herbivorous dinosaurs like Apatosaurus, and the second group that gave rise to birds as bipedal predators known as theropods.
There are many similarities between late (maniraptoran) dinosaur fossils and birds, particularly in the structure of hip and wrist bones and the presence of a wishbone formed by the fusion of clavicles.
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the molecular building blocks of life have been found astrobiology
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Astrobiology is the scientific study of life in the universe, including its origin, evolution, distribution, and future. One of the most important questions in astrobiology is the origin of life, which involves the molecular building blocks of life.
These molecular building blocks are carbon-based compounds called organic molecules. They include amino acids, nucleic acids, sugars, and lipids. Amino acids are the building blocks of proteins. There are 20 different types of amino acids, and they can be arranged in different sequences to form a wide variety of proteins. Nucleic acids are the building blocks of DNA and RNA. DNA carries genetic information and RNA helps to make proteins. Sugars are the building blocks of carbohydrates. Carbohydrates are used for energy and structural support in cells. Lipids are the building blocks of cell membranes. Cell membranes separate the inside of a cell from its environment and control what enters and exits the cell. These molecular building blocks of life have been found in a variety of environments in space. For example, amino acids have been found in meteorites, comets, and interstellar dust. Nucleic acids and sugars have been found in meteorites. Lipids have been found in some meteorites and have also been produced in laboratory simulations of conditions on early Earth.
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Work in a small group or alone to co that follow mplete this exercise. Use the stratigraphy drawing provided to answer the questions that follow1. Which layer is the oldest? 2. Which layer is the youngest (most recent)? 3. In layer B, you find an unfossilized bone. What chronometric dating method could you use to date this layer? For what date range would this method be appropriate? 4. In layer D, you find a fossilized bone. Layer C and layer E are made of volcanic rock. Based on what is available at the site, what strategy will you use to determine a chronometric date for layer D? (Be sure to specify the exact dating method or methods used and the corresponding applicable age ranges.)
Answers
The stratigraphy drawing can be used to determine the relative ages of the different layers. Radiocarbon dating can be used to date layer B containing an unfossilized bone.
The layer at the bottom of the stratigraphy drawing is the oldest, indicated by the letter "A." The layer at the top of the stratigraphy drawing is the youngest, indicated by the letter "E."
To date layer B contains an unfossilized bone, one could use radiocarbon dating, also known as carbon-14 dating. This dating method relies on the radioactive decay of carbon-14, which is found in organic materials, such as bone. Carbon-14 dating can be used to determine the age of the bone up to approximately 50,000 years ago, which makes it an appropriate dating method for layer B in the stratigraphy drawing.
To determine a chronometric date for the fossilized bone found in layer D, a combination of different dating methods could be used. Since layers C and E are made of volcanic rock, it is possible to use radiometric dating techniques, such as potassium-argon dating or argon-argon dating, which rely on the decay of radioactive isotopes of potassium to argon, to date these layers.
Once the dates for layers C and E have been determined, it would be possible to bracket the age of layer D. Additionally, other dating methods, such as paleomagnetism, which uses changes in the earth's magnetic field to date rock formations, could be used to further refine the age range of layer D. Ultimately, a combination of dating methods would be necessary to determine a reliable chronometric date for layer D.
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Can u guys help me with this "Vocabulary and Concept Check".
i'll give u a brainllest crown
Answers
Answer:
The GCF is the greatest factor that divides two numbers
Explanation:
2)
1. List the prime factors of each number.
2. Circle every common prime factor — that is, every prime factor that's a factor of every number in the set.
3. Multiply all the circled numbers. The result is the GCF.
and that is all I know I don't necessarily understand number 3
Fill in the blank with the appropriate term.
1. Cartilage is a type of dense ___________________ tissue.
2. The skeleton provides attachment surfaces for __________________.
3. The skeleton maintains ________________ homeostasis.
4. When mineral levels in the blood are too high, bones absorb some of the minerals
and store them as mineral ___________________.
5. Bone matrix is crisscrossed by blood vessels and ___________________.
6. Osteoclasts dissolve minerals in bone ___________________.
7. Bone marrow is found inside the pores of ________________ bone.
8. Early in the development of a human fetus, the skeleton is made entirely of
______________________.
9. By birth, several areas of cartilage remain in the skeleton, including the ends of the
___________________ bones.
10. With the help of muscles, joints work like mechanical ___________________.
11. The surfaces of bones at joints are covered with a smooth layer of cartilage that
reduces ___________________ at the points of contact between the bones.
12. Immovable joints allow no movement because the bones at these joints are held
securely together by dense ___________________.
Answers
To document the occurrences of a particular trait or possible disorder across different generations of your family, which genetic tool would you use?.
Answers
To document the occurrences of a particular trait or possible disorder across different generations of a family, pedigree analysis is the genetic tool that would be used.
Pedigree analysis is a graphical representation of a family's genetic history, showing the inheritance patterns of traits or disorders.
In pedigree analysis, information about the trait or disorder is gathered by studying the family members, their relationships, and their phenotypic characteristics.
The pedigree chart, also known as a family tree, displays the relationships between family members and indicates the presence or absence of the trait or disorder in each individual.
By examining the pattern of inheritance within a family, pedigree analysis can provide valuable insights into the genetic basis of a trait or disorder.
It can help determine whether the trait is inherited in a dominant, recessive, or X-linked manner, and can also indicate the presence of genetic carriers or individuals at risk of developing the disorder.
Pedigree analysis is an essential tool in genetic counseling, medical research, and understanding the inheritance patterns of various genetic conditions.
It allows for the documentation and visualization of familial patterns, aiding in the identification of genetic risk factors and guiding informed decision-making regarding reproductive choices and treatment options.
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While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. The neurology resident told Sally that neurons and their dendrites, which send and reccive signals, made up the nerves and that the information was transported only from the PNS to the CNS. The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS.
Answers
The statement that is true regarding the cellular structure of a neuron is; The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. Option A is correct.
This statement accurately describes the composition of nerves and the direction of information transmission. Neurons, which consist of a cell body, dendrites, and an axon, are the basic building blocks of the nervous system. Dendrites receive signals from other neurons, while the axon transmits signals to other neurons.
Nerves, on the other hand, are composed of bundled axons of neurons and are responsible for transmitting information between the peripheral nervous system (PNS) and the central nervous system (CNS). The information flow typically occurs from the PNS to the CNS.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? A) The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. B) The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. C) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. D) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS."--
Students are experimenting with a substance that they think can be added to soil to increase the number of flowers a certain plant will make. They set up 20 pots of soil, each planted with the same type of seed. They divide the pots into two groups and add 15 drops of the substance to pots in one group and only 10 drops to pots in the other group. After the plants grow for four weeks, the students count how many flowers each plant has made.
What does this experimental investigation lack?
a control group
an independent variable
a dependent variable
a procedure
Answers
Answer:
Im pretty sure it’s control group
Explanation:
The control group is defined as the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do
I hoped this helped
Answer:
yea itz a control group
Explanation:
bc i got it right
Which would most likely result in an increase in genetic variation in a population? a. an increase in predators and a decrease in food b. an increase in predators and an increase in food c. a decrease in predators and an increase in food d. a decrease in predators and a decrease in food
Answers
An expansion in food and a reduction in hunters would undoubtedly hereditary variety in a populace.
Which is most likely to cause a population's genetic variation to rise?Genetic variation in a population is increased by mutations and sexual reproduction. When environmental pressures favor particular characteristics that are passed on to offspring, natural selection takes place. Transmission of genetic information is the "big prize" in natural selection.
Which aspect of the environment is most likely to increase genetic variation in a squirrel population?A population of squirrels would likely experience an increase in pollution as well as genetic variation as a result of the environmental factor. The term "pollution" refers to the infiltration of a variety of contaminants into the natural environment, which can result in a variety of negative changes.
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How do enzymes like trypsin release cells from tissues to create preparations of single cells? The enzymes digest extracellular domains of proteins that mediate endocytosis. The enzymes digest extracellular domains of proteins that mediate cytoskeletal function. The enzymes digest extracellular domains of proteins that mediate cell adhesion. The enzymes digest intracellular domains of proteins that mediate cell adhesion. The enzymes digest intracellular domains of proteins that mediate cytoskeletal function.
Answers
Answer:
The enzymes digest extracellular domains of proteins that mediate cell adhesion.
Explanation:
You will find the explanation in the attached file due to technical problems.
An organism’s traits are determined by the
A. number of the A-T and G-C pairs in RNA
B. sequence of the deoxyribose sugar in DNA
C. number of thymine bases in RNA
D. sequence of the nitrogenous bases in DNA
Answers
An organism’s traits are determined by the sequence of the deoxyribose sugar in DNA option (B)
what is an organism?Any living system that performs as a separate unit is referred to as an organism. All living things are made up of cells. Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea
what is DNA?Deoxyribonucleic acid is a polymer made of two polynucleotide chains that form a double helix around one another. All known living things, including many viruses, have genetic material in their polymers that direct how they should function, grow, and reproduce. Nucleic acids include ribonucleic acid and DNA.
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How many centiliters in 46.03 kiloliters?
Help me please
Answers
Answer:
4603000 cL
Explanation:
because i used a converter and please give me brainliest :D?
organisms with systems of tough plates protecting them have a(n)
Answers
Organisms with systems of tough plates protecting them have a(n) exoskeleton which serves as a protective structure that provides support, muscle attachment, and defense against predators.
Organisms with systems of tough plates protecting them have a(n) exoskeleton. An exoskeleton is an external covering that serves as the primary defense mechanism and structural support for many organisms. Exoskeletons are mainly found in invertebrates such as insects, crustaceans, and mollusks.An exoskeleton is a rigid external structure made of chitin, a hard, protective substance. This structure provides support and protection to the organism while also serving as a muscle attachment point.
The exoskeleton can limit the movement of organisms to some extent because of its rigidity. They must shed their exoskeletons regularly to accommodate growth, which is called molting. This is why many invertebrates such as insects are unable to grow beyond a certain size due to the lack of respiratory system that would support their larger size.The exoskeleton also serves as a barrier that helps in preventing desiccation in arid regions.
The exoskeletons of many invertebrates have evolved to have special features such as spines, armor, and other modifications to protect them from predators, which is essential for their survival.In conclusion, organisms with systems of tough plates protecting them have a(n) exoskeleton which serves as a protective structure that provides support, muscle attachment, and defense against predators.
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Ared blood cell has no nucleus, how does this
form benefit its function?
A. there is more space in the cell to carry gases around the body
B. it makes mitosis simpler so that DNA doesn't have to be replicated
C. the cells are lighter so they can move more quickly
D. the cell doesn't serve a function so there is no need for a nucleus
Answers
Answer:
A
Explanation:
its a hard to examine why but it's a
Answer:
A. there is more space in the cell to carry gases around the body
Explanation: