The ribosome is an essential organelle found in eukaryotic cells. It is composed of ribosomal subunits, which are made up of proteins and ribosomal RNA (rRNA).
The ribosomes are responsible for the production of proteins, which are essential for the functioning of the cell. The ribosomal subunits are synthesized in the nucleolus, which is located within the nucleus of the cell. The ribosomal subunits are composed of proteins and rRNA in a specific ratio.
The proteins are assembled from amino acids and the rRNA molecules are transcribed from the gene encoding for ribosomal RNA. The ribosomes then assemble the proteins and rRNA molecules into the ribosomal subunits. The ribosomal subunits are then exported to the cytoplasm, where they assemble into functional ribosomes.
The ribosomes then use the information encoded in the mRNA to synthesize proteins by joining the amino acids together in the correct order. The ribosomes are essential for protein synthesis and are therefore essential for the functioning of the cell.
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complete question is :-
An important organelle found in eukaryotic cells produces ribosomal subunits from proteins and ribosomal RNA. EXPLAIN.
Who’s know stuff about child development?
The child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.
What is the role of the medical staff?The medical field employs a variety of personnel, including doctors, experts, nurses, caregivers, and others, but the doctor and nurse roles are directly related to patients. They take care of patients of different types, such as those with minor to major health issues.
Hence, the child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.
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recently the tiger population has increased. What will likely happen to the worm population? *
A: increase. The larger tiger population will lead to fewer wild pigs. The smaller wild pig population will need fewer energy storage molecules to reproduce, so they will eat fewer worms.
b: increase. An increase in the size of any population leads to an increase in the sizes of all other populations in an ecosystem.
c: stay the same. Tigers do not eat worms, so the number of births and deaths in the worm population will stay the same.
d: decrease. The larger tiger population will leave fewer energy storage molecules available in the ecosystem for the worm population.
Answer:
A
Explanation: hope this helps
Answer:
it d
Explanation:
some of them were dead but more were born
A student set up two test tubes containing Elodea plants and sodium bicarbonate and topped each of them with a volumeter. Tube A was wrapped in aluminum foil. Both tubes were placed in a test tube rack in front of a lamp containing a bright white bulb. The student obtaine the following data from her experiment. Which of the following statements could explain this data?
Time (minutes) Tube A Tube B lo 26 25 26 21 27 15 118 38 20 115 149 15 24 110
a. The light bulb burned out after 15 minutes.
b. Both tubes were accidentally covered with aluminum foil.
c. The tubes were exposed to green light.
d. The student did not turn the light on until after 10 minutes had already passed
As per the details given, both tubes were accidentally covered with aluminum foil. The correct option is b.
It is clear from the data that Tube A, which was covered in aluminium foil, consistently displayed lower volumeter readings than Tube B.
This shows that Tube A produced less oxygen through photosynthesis than Tube B did.
Option (b) provides the most plausible explanation for these data: Aluminium foil was unintentionally placed over the top of both tubes.
The Elodea plants in Tube A would have been unable to perform photosynthesis and produce as much oxygen as they would have otherwise due to the aluminium foil's obstruction of the light.
Aluminium foil was not used to cover Tube B, which allowed it to receive the light needed for photosynthesis and produce more oxygen at higher rates.
Thus, the correct option is b.
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Michelle and George are studying the forces and motion of a 0.8-kg low friction cart on a horizontal table. They use a spring scale to exert different amounts of horizontal pulling force on the cart, and they measure the acceleration of the cart for each pulling force. The measurements of each set of pulling force and acceleration are displayed in the table to the right. If friction is much weaker than the pulling force, which of the following is the best fit for the missing pulling force in the table?
Based on the given information, the best fit for the missing pulling force in the table is 1.0 N (Option B).
To determine the best fit for the missing pulling force, we need to analyze the relationship between the pulling force and the acceleration.
From the given table, we can observe that as the pulling force increases, the acceleration of the cart also increases. This suggests a direct proportionality between the pulling force and the acceleration.
When we look at the values in the table, we can see that for each increase of 0.2 N in the pulling force, the acceleration increases by 0.5 m/s^2. This indicates a constant ratio of 0.5 m/s^2 per 0.2 N.
To find the missing pulling force, we can use this constant ratio. Starting from the last known pulling force and acceleration values (0.6 N, 1.5 m/s^2), we can add the constant ratio of 0.5 m/s^2 per 0.2 N to determine the next acceleration:
1.5 m/s^2 + 0.5 m/s^2 = 2.0 m/s^2
Therefore, the missing pulling force that corresponds to an acceleration of 2.0 m/s^2 is 0.8 N.
Among the given options, the closest fit to 0.8 N is 1.0 N (Option B).
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The probable question may be:
Michelle and George are studying the forces and motion of a 0.8-kg low friction cart on a horizontal table. They use a spring scale to exert different amounts of horizontal pulling force on the cart, and they measure the acceleration of the cart for each pulling force. The measurements of each set of pulling force and acceleration are displayed in the table to the right. If friction is much weaker than the pulling force, which of the following is the best fit for the missing pulling force in the table?
Pulling Force (N) | Acceleration (m/s^2)
0.2 | 0.5
0.4 | 1.0
0.6 | 1.5
0.8 | ?
A. 1.5 N
B. 1.0 N
C. 0.2 N
D. 0.4 N
According to the picture above, which of the following species are most closely related?
A and E
B and D
D and E
A and B
it is postconventional when the body's attraction to benefits is made as inspiration of choosing to act. true or false
The statement, "It is postconventional when the body's attraction to benefits is made as inspiration of choosing to act." is: False.
The concept described in the statement does not align with the conventional understanding of moral development.
Postconventional moral development refers to a stage of moral reasoning beyond conventional norms and societal expectations.
It involves the development of an individual's own ethical principles and values that guide their decision-making, independent of external rewards or benefits.
In postconventional moral reasoning, individuals prioritize universal ethical principles, such as justice, fairness, and respect for human rights, over personal interests or material gains.
Their actions are motivated by a sense of duty and adherence to their own moral compass, rather than being influenced primarily by the attraction of personal benefits.
Therefore, the body's attraction to benefits as the inspiration for choosing to act would not align with the postconventional stage of moral development.
Instead, it would reflect a more conventional or preconventional level of moral reasoning, where actions are driven by self-interest or external rewards rather than higher moral principles.
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Draw a model of how the organism has changed in the last 50 years as a result of environmental changes.
Environmental changes can lead to evolution and adaptation of organisms, such as changes in physical and behavioral traits, but not all organisms may be able to adapt, leading to declines in population or extinction.
What are some examples of physical and behavioral changes that organisms may undergo in response to environmental changes?Organisms may develop new physical features, alter their metabolism, or change their behaviors to adapt to environmental changes.
How does environmental change affect the survival of organisms?Environmental change can put pressure on organisms, and those that are unable to adapt may experience declines in population or even extinction, while those that can adapt may survive and thrive.
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Which part of a molecule does which part of a molecule dose sunlight 'excite'?
a neutron
b proton
C electron
d none of the above
what is it called when the lead male and female are given preferential treatment to resources such as food and potential mates?
Answer:
Dominance Hierarchy
Explanation:
Dominance hierarchy is when the lead male and female are given preferential treatment to resources such as food and potential mates.
Dominance hierarchy forms as a way for animals to coexist in an environment where threats are constant and resources like food, water, mates, and shelter are limited. As a group, members in the dominance hierarchy have access to more resources than they could obtain as individuals and can better defend their territory from threats.
I hope this helps
Researchers picked habanero peppers at different time points after the peppers matured and measured the concentrations of the flavor molecules. Which of the following statements about these data is TRUE? a) Habenero peppers are the least hot when picked 80 days after maturity b) Dihydrocapsaicin concentrations rise and fall more quickly than capsaicin concentrations c) Dihydrocapsaicin is more highly concentrated in the seeds of the habenero pepper than in the flesh d) Capsaicin is always at a higher concentration than dihydrocapsaicin
Researchers picked habanero peppers at different time points after the peppers matured and measured the concentrations of the flavor molecules. The following statements about these data is true A) Habenero peppers are the least hot when picked 80 days after maturity
Dihydrocapsaicin and capsaicin are two major pungent and spicy components of peppers that contribute to the pepper's flavor.In the peppers, the concentration of these flavor molecules is determined. Dihydrocapsaicin concentration is higher in the seeds of the habenero pepper thahttps://brainly.com/question/921294 in the flesh.
Capsaicin is always present in higher concentrations than dihydrocapsaicin, which is true. However, dihydrocapsaicin concentrations do not rise and fall more rapidly than capsaicin concentrations, which contradicts the data.
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A population of beetles is currently 60 beetles at n=0. The beetle population has an intrinsic growth rate of 150% each generation. The environment can sustain a maximum population of 130 beetles. Find the population of the next three generations, 'y_1' ' 'y_2' and 'y_3' of beetles
The population of beetles in the next three generations, considering the carrying capacity, is y1 = 130 beetles, y2 = 130 beetles, and y3 = 130 beetles.
The population of beetles can be calculated using the formula: y = y0 * (1 + r)^n, where y is the population at a given generation, y0 is the initial population, r is the intrinsic growth rate (expressed as a decimal), and n is the number of generations.
Given that the initial population (y0) is 60 beetles and the intrinsic growth rate (r) is 150% (or 1.5), we can calculate the population for the next three generations.
For the first generation (y1), we substitute y0 = 60, r = 1.5, and n = 1 into the formula: y1 = 60 * (1 + 1.5)^1 = 60 * 2.5 = 150 beetles.
For the second generation (y2), we substitute y0 = 60, r = 1.5, and n = 2 into the formula: y2 = 60 * (1 + 1.5)^2 = 60 * 6.25 = 375 beetles.
For the third generation (y3), we substitute y0 = 60, r = 1.5, and n = 3 into the formula: y3 = 60 * (1 + 1.5)^3 = 60 * 15.625 = 937.5 beetles.
However, since the environment can only sustain a maximum population of 130 beetles, we need to consider the carrying capacity.
To find the population at each generation while considering the carrying capacity, we compare the calculated population with the carrying capacity and use the smaller value as the population.
For y1, the population is 150 beetles, which exceeds the carrying capacity of 130 beetles. Therefore, y1 = 130 beetles.
For y2, the calculated population is 375 beetles, which is also above the carrying capacity. Thus, y2 = 130 beetles.
For y3, the calculated population is 937.5 beetles, which is still above the carrying capacity. Therefore, y3 = 130 beetles.
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What structures do a caterpillar have that allows them to survive in its environment
Does Orion’s Belt have retrograde motion? If so why or why not?
Answer: answer down below.
Explanation:
Orion rises in the night sky in the east and later sets in the western sky. The sun and the moon never go retrograde because the earth moves around the sun in the same direction. And the moon revolves around earth in the same direction. Only planets have this retrograde motion. Hopefully this helped
How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.80 s ? Assume it is a solid cylinder. Express your answer using three significant figures and include the appropriate units.
The net work required to accelerate the cylinder from rest to a rotation rate of 1.00 revolution per 8.80 s is approximately 0.0199 J, rounded to three significant figures.
To determine the amount of net work required to accelerate a solid cylinder from rest to a rotation rate of 1.00 revolution per 8.80 s, we need to use the formula for rotational kinetic energy:
KE = (1/2)Iω^2
where KE is the kinetic energy, I is the moment of inertia, and ω is the angular velocity.
Since the cylinder is initially at rest, its initial kinetic energy is zero. Therefore, the net work required to accelerate it to the given rotation rate is equal to its final kinetic energy, which we can calculate using the formula above.
First, we need to find the moment of inertia of the cylinder. For a solid cylinder, the moment of inertia is given by:
I = (1/2)MR^2
where M is the mass of the cylinder and R is its radius.
Assuming the cylinder has a mass of 1 kg and a radius of 0.5 m, we can calculate its moment of inertia:
I = (1/2)(1 kg)(0.5 m)^2 = 0.125 kg m^2
Now, we can calculate the final kinetic energy of the cylinder:
KE = (1/2)(0.125 kg m^2)(2π/8.80 s)^2 = 0.0199 J
Therefore, the net work required to accelerate the cylinder from rest to a rotation rate of 1.00 revolution per 8.80 s is approximately 0.0199 J, rounded to three significant figures.
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How does a fungus get food?
Question 1 options:
both autotroph and heterotroph
Neither. It doesn't eat!
autotroph
heterotroph
Answer:
They are Heterotroph as they cant make their own food and have feed of dead things of decomposing.
The Florida panther was once considered to be a subspecies of cougars. Current scientists, however, have studied the Florida panther and removed the subspecies classification
Which of the following would explain why the classification of the Florida panther changed?
A.) New genetic evidence suggests a much closer relationship between the Florida panther and other cougars
B.) Advanced technologies have shown a large difference in cell structure between the Florida panther and other cougars.
C.) Study of their embryos shows major differences in the development of the Florida panther fetus when compared to other cougars
D.)Shared physiological features
between the Florida panther and other cougars were also found in newly discovered organisms in the world.
A biologist who uses the knowledge of the lifecycle of insects establish the time of death
Forensic entomologists are criminal justice and science experts who use their knowledge of how insects aid in bodily decomposition to determine the time and cause of death.
What is entomologists?Entomologists are biological scientists which are specialized in the field and laboratory insects study.
Most entomologists specialize in one or more insect species or groups, such as bees, butterflies, beetles, or ants.
Forensic entomologists are criminal justice and science experts who use their knowledge of involvement of insects in decomposition to determine the time and cause of death.
Thus, the answer is forensic entomologists.
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which of these consumers might depend on plankton for its energy? krill orca rabbit seaweed PLEASE ANSWER ASAP
Answer:
Krill and orca are both consumers that depend on plankton for their energy. Krill are small, shrimp-like animals that are a major food source for many marine animals, including orcas. Orcas are large, apex predators that hunt in packs to catch krill and other small marine animals. Rabbits and seaweed are not consumers that depend on plankton for their energy. Rabbits are herbivores that eat plants, and seaweed is a plant that gets its energy from the sun.
Here is a table that shows the relationship between these consumers and plankton:
Consumer : Relationship to plankton
Krill: Plankton is a major food source
Orca: Plankton is a prey item
Rabbit: Plankton is not a food source
Seaweed: Plankton is not a food source
During the first stage of the menstrual cycle, the estrogen hormone stimulates the maturation of ovarian follicles. In the second menstrual stage, ovulation, high levels of estrogen cause the ovaries to release the matured ovum into the fallopian tubes for fertilization. What two body systems work together to produce and release the ovum? O A. ' circulatory and reproductive systems O B. circulatory and lymphatic systems OC. endocrine and reproductive systems OD. endocrine and lymphatic systems
Answer:
I know one of them is endocrine
Explanation:
sorry i don't know the other ):
Bacteria are helpful to humans in many ways, including all of the following EXCEPT which one?A) production of antibioticsB) production of soy sauceC) production of vitamins for the human bodyD) breakdown of raw sewageE) digestion of cellulose in the human intestine
Bacteria are helpful to humans in many ways, including all of the following EXCEPT digestion of cellulose in the human intestine. The correct option is (E).
Bacteria are incredibly diverse and play important roles in many aspects of human life. Bacteria are used in the production of antibiotics, food and beverages, and even in the treatment of wastewater. They are also important for the digestion of food in the human body and the production of essential vitamins, such as vitamin K.
While bacteria are involved in the digestion of some types of carbohydrates in the human intestine, such as lactose, they do not play a significant role in the digestion of cellulose. Instead, cellulose is broken down by enzymes produced by certain microorganisms, such as fungi and protozoa, in the digestive systems of ruminants like cows and sheep. Humans, on the other hand, lack the enzymes necessary to break down cellulose and cannot digest it as a source of energy.
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Complete the following statements by filling in the missing words. Not all choices will be used.
A _____ is a series of nucleotides that codes for a protein product.
This coding DNA may have different forms, or varieties, called _____.
For instance, if an individual has two different versions of this DNA, they are called genetically ______. Only the ______ form of the trait will be visible. The other form of the trait is called ______; this trait is only visible when the individual is genetically ______, or has two identical copies of this DNA region.
Whatever the form, these regions are found at a specific location, or _____, on long pieces of an organism's DNA, called ______.
A gene is a series of nucleotides that codes for a protein product. This coding DNA may have different forms, or varieties, called alleles.
For instance, if an individual has two different versions of this DNA, they are called genetically heterozygous. Only the dominant form of the trait will be visible. The other form of the trait is called recessive; this trait is only visible when the individual is genetically homozygous, or has two identical copies of this DNA region.
Whatever the form, these regions are found at a specific location, or locus, on long pieces of an organism's DNA, called chromosomes.
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the type of lipoprotein associated with decreased cholesterol deposits in blood vessels is
The type of lipoprotein associated with decreased cholesterol deposits in blood vessels is high-density lipoprotein (HDL). HDL is also known as the "good" cholesterol because it helps to remove excess cholesterol from the bloodstream and transport it to the liver for processing and elimination. Maintaining high levels of HDL can help to lower the risk of heart disease and stroke.
HDL is often referred to as "good cholesterol" because it plays a vital role in cardiovascular health. HDL particles are responsible for transporting cholesterol from the peripheral tissues, including blood vessel walls, back to the liver for processing and excretion. This mechanism is known as reverse cholesterol transport.
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property of materials requiring a transport protein to cross
the plasma membrane.
For a crossword puzzle
certain molecule
Explanation:
i searched it
The process by which certain information is selected for further processing and other information is discarded.Choose matching term
Attention
Late Selection
Perception
Neglect
Hi! The term that matches your description, "The process by which certain information is selected for further processing and other information is discarded," is Attention.
Attention is the process by which certain information is selected for further processing, while other information is ignored or discarded. It involves the allocation of cognitive resources to particular stimuli or aspects of the environment, allowing us to prioritize and filter incoming sensory information. It is a crucial mechanism that allows us to focus on relevant information and filter out distractions. Attention can be both voluntary (top-down) and involuntary (bottom-up) and is influenced by factors such as arousal, motivation, and cognitive load.
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Explain why mice in urban areas can digest certain food better than rats in rural areas. Using the terms
"genes" and "allele frequency" in your explanation provide data of this phenomenon.
Finding the corresponding human illness genes using rat disease gene identification is helpful, but it also aids in understanding the mechanisms causing pathological defects.
What is the random alteration in allele frequencies caused by genetic drift?Genetic drift is the term used to describe the haphazard changes in gene variant frequencies within a population. Genetic drift occurs when the frequency of different alleles, or variable forms of a gene, fluctuates over time through chance. Changes in allele frequencies are used to measure these differences in allele presence.
Who made genetic drift public?In the future, Sewall Wright, a pioneer in population genetics, invented the phrase "genetic drift" and the corrected mathematical treatment.
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what is the organelle embedded on the surface of rough er?
The organelle embedded on the surface of rough endoplasmic reticulum (ER) are ribosomes.
Rough endoplasmic reticulum (ER) is an organelle in eukaryotic cells that is involved in protein synthesis. It is called rough because it has ribosomes attached to its surface, which give it a granular appearance under the microscope. The ribosomes on the surface of the rough ER are responsible for synthesizing proteins that are destined for export from the cell or for insertion into the plasma membrane. The proteins synthesized by the ribosomes on the rough ER are transported through the lumen of the ER and then to the Golgi apparatus for further modification before being transported to their final destination. The rough ER is also involved in the folding and modification of newly synthesized proteins, ensuring that they have the correct conformation and are properly processed.
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Write the importance of pharmacology in our life.
Answer:
The role of pharmacology is to understand why these changes are happening, allowing us to develop better drugs. Pharmacology is crucial for: discovering new medicines to help fight diseases.
Explanation:
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which teeth in the cheek area shear past each other to cut up meat
The teeth in the cheek area that shear past each other to cut up meat are the premolars and molars.
These teeth have sharp edges and cusps that work together to grind and slice food, making them ideal for chewing and processing tougher foods like meat.Premolars and molars are two types of teeth found in mammals, including humans.Premolars, also known as bicuspids, are located between the canine teeth and molars. In humans, adults have eight premolars, with four on each side of the upper and lower jaw. Premolars have two cusps, or pointed edges, that are used for chewing and grinding food. They are transitional teeth that help to guide food from the canines to the molars for further grinding.
Molars are the largest and strongest teeth in the human mouth, located at the back of the mouth behind the premolars. Adults have 12 molars, with six on each side of the upper and lower jaw. Molars have large, flat surfaces with four or five cusps, which are adapted for crushing, grinding, and pulverizing food. The third molars, also known as wisdom teeth, typically emerge in the late teenage years or early adulthood and can cause problems if they become impacted or do not have enough room to emerge properly.
Both premolars and molars play an important role in the process of chewing and digesting food. By breaking down food into smaller particles, they help to facilitate the absorption of nutrients in the digestive system. Additionally, their structure and placement can have an impact on the alignment of other teeth in the mouth.
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Which statement best represents how an organism maintains homeostasis?
A)Offspring inherit traits from their parents.
B)Desert pack rats are active at night to conserve water.
C)Female barn swallows mate with long-tailed males.
D)Young eagles have different kinds of feathers than adult hawks.
The answer is B ! Hope that helps...
Put the following hypotheses in the chronological order in which they were proposed (oldest to most recent).
1. arboreal hypothesis - British anatomists Sir Grafton Elliot Smith and Frederic Wood Jones proposed their arboreal hypothesis in the early 1900s. This was the first step in understanding why primates are the way they are. 2. visual predation hypothesis - It was not until the early 1970s that American anthropologist Matt Cartmill challenged the arboreal hypothesis by proposing the visual predation hypothesis. 3. angiosperm radiation hypothesis - After the visual predation hypothesis was presented, Robert Sussman questioned whether primate characteristics were more greatly shaped by their consumption of fruit.
The correct chronological order in which the hypotheses were proposed, from oldest to most recent, is: 1. Arboreal hypothesis, 2. Visual Predation, 3. Angiosperm Radiation hypothesis.
The arboreal hypothesis, proposed in the early 1900s by British anatomists Sir Grafton Elliot Smith and Frederic Wood Jones, was the first attempt to understand the characteristics of primates in relation to their environment.
In the early 1970s, American anthropologist Matt Cartmill challenged the arboreal hypothesis with the visual predation hypothesis, suggesting that primate characteristics were a result of hunting small prey.
After the visual predation hypothesis, Robert Sussman questioned whether the consumption of fruit had a greater impact on primate evolution, proposing the angiosperm radiation hypothesis. Together, these hypotheses represent a timeline of scientific inquiry into the origins and characteristics of primates.
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