Photosynthesis
Is the process of conversion of inorganic matter into organic matter using sunlight.
The chemical reaction is:
sunlight + carbon dioxide + water → glucose + oxygen
Therefore, the correct answer is option D.
Which of the following is not caused by a parasitic fungus?
a. ringworm
b. rye ergot
c. Dutch elm disease
d. formation of mychorrizae
Please help, totally struggling!!
Answer:
how are you struggling with the answer is clearly a ringworm
Which aspect of the human skeletal system provides forensic anthropologists with the most information about a skeleton's age?
A. the general shape and size of the eye orbits
the way that bones change position over time
the tendency of human bones to harden with exposure
the fact that specific bones exhibit sex differences
B.
C.
O D.
The aspect of the human skeletal system that provides forensic anthropologists with the most information about the age of skeletons is the fact that specific bones that exhibit sex differences. Option D
Human Skeletons and AnthropologyAmong the options provided, the aspect of the human skeletal system that provides forensic anthropologists with the most information about a skeleton's age is the fact that specific bones exhibit sex differences.
While the shape and size of eye orbits, bone position changes over time, and bone hardening with exposure can provide some information about age, determining sex differences through specific bone characteristics (such as pelvic bones, skull features, or long bone dimensions) is often more reliable and widely used in forensic anthropology to estimate the age of a skeleton.
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An individual has the chromosomes below where the dot represents the centromere:
ST.UVWXYZ ST.UYXWVZ
If a crossover event occurs between the X and Y loci, what is the longest chromosome formed?
Enter your answer with no spaces between the loci and use a period as the centromere.
If a crossover event occurs between the X and Y loci, the longest chromosome formed is ST.UVWYXZ
What are crossover events in genetics?When discussing genetics and genomics, the term "crossing over" is used to describe the exchange of DNA between paired homologous chromosomes (one from each parent) that takes place during the formation of egg and sperm cells (meiosis).
To determine the longest chromosome formed after this event, we need to consider the two possible outcomes:
The X and Y loci remain on the same chromatid after the crossover event, resulting in two recombinant chromosomes: ST.UVYXWZ and ST.UYXVWZ.The X and Y loci switch chromatids after the crossover event, also resulting in two recombinant chromosomes: ST.UVWYXZ and ST.UYXWVZ.Out of these two possibilities, the longest chromosome formed would be ST.UVWYXZ, since it contains the most genetic material. This chromosome was formed in outcome #2, where the X and Y loci switched chromatids.
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Schistosomiasis is a parasitic infection that is spread when larval forms of the parasite penetrate the skin during contact with infested water. You are working in a village of 205 people, where it is hypothesized that spread of schistosomiasis is occurring through contact with local well water. You find that 125 of the villagers use the suspected well, while the rest of the villagers do not use the well. After gathering urine samples, you find that 104 of the villagers who use the well are infected with schistosomiasis. Only 15 of the villagers who do not use the well are infected.I: Calculate the relative risk.II: Interpret your results.III. Calculate the attributable risk.IV. Interpret your results.
Answer:
1. Relative risk: proportion of the disease after exposition / proportion of the disease without exposition
= (104/125) / (15/125)
= 83.2 / 12 = 6.93
The relative risk is calculated as the probability of having the disease in one exposed group when it is compared to the expected outcome in the non-exposed group. A relative risk of 6.93 indicates a risk of almost seven times higher than the average risk, being its value very high
2. Attributable Risk (AR) for an exposed group:
the incidence in the exposed group - incidence in the non exposed group/incidence in the non exposed group
AR = 104 -15 /104
AR= 0.85
The relative risk is useful to determine whether the local well water is associated with the parasitic infection, while attributable risk allows to determine how much of schistosomiasis infection may be attributable to the exposition with the local well water. In this case, a AR of 0.85 is considered to be high and therefore people's contact with suspected well water should be avoided
Which governmental level usually administers permitting and regulation of land use?
Answer: Local Governments
Explanation:
Generally, local governments have a large degree of autonomy to control land use within their jurisdictions. States typically grant them the authority to pass ordinances and regulations as long as they do not conflict with other laws. Furthermore, all states give municipalities the power to enact zoning regulations. In 15 states, state legislation also requires municipalities to adopt a Comprehensive Plan. Similarly, in 8 states local governments are required to adopt Local Zoning Ordinances.
list 5 disorders that affect male reproductive system and discuss them
Answer:
Prostate CancerTesticular CancerMale infertility Testosterone Deficiency Enlarged prostate or BPHThe
connects the middle ear to the outer ear and equalizes the pressure there with the outside atmosphere.
Answer:
eustachian tube i think lol
Explanation:
Which vegetables are the most and least similar to wild cabbage? What does
this tell you about the selective breeding process for each vegetable?
The most similar vegetables to wild cabbage include broccoli, cauliflower, kohlrabi, kale, and Brussels, while selective breeding can be used as a process to improve crop features.
What is the procedure of selective breeding in crops?The procedure of selective breeding in crops makes reference to the genetic cross between plants in order to select F1 with desired features.
Therefore, with this data, we can see that the procedure of selective breeding in crops is very useful in order to improve phenotypic features such as yield and or resistance to diseases in such crops.
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29. Generally, cheat curls are performed with ________________ more resistance than regular curls are.
5-10%
10-25%
30-35%
40-45%
Generally, cheat curls are performed with 5-10% more resistance than regular curls.
What is cheat curl?Cheat curls are ideal for this because you're already working with much more weight than you would with conventional curls. Eccentrics also allow the lifter to apply roughly 130% more load than they could during the concentric section.
This means that cheat curls are a fantastic way to stimulate muscular adaptation because the load is significantly more than what would be employed on a lighter concentric-based curl.
Therefore, the correct option is a, 5-10%.
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Two species that occasionally mate and produce zygotes, but which have incompatible genes that prevent the resulting embryo from developing, are separated by A). mechanical isolation. B). gametic isolation. C). reduced hybrid fertility. D). reduced hybrid viability. E). hybrid breakdown.
The correct answer is (D), i.e., reduced hybrid viability. Two species with inharmonious genes sometimes copulate and are successfully prezygotic, but the embryos are always abandoned. This is an illustration of behavioral insulation.
Prezygotic walls help members of different species, from lovemaking to single-celled embryos, to produce a zygote. Some illustration scripts are below. Two species might prefer different territories and therefore be doubtful to encounter one another. This is called niche insulation.
Reproductive insulation is a collection of mechanisms, actions, and physiological processes that help the members of two different species cross or copulate to produce seed or which ensure that any seed that may be produced isn't rich.
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Two species that occasionally mate and produce zygotes as well as have incompatible genes which prevent the embryo from developing are separated due to: (E) hybrid breakdown.
Genes are the basic factors through which traits are inherited from the parents to the offspring. These genes are present on the chromosomes at specific locations. The gene encode information for the protein synthesis that are the actual functional units.
Hybrid breakdown is a reproductive failure in genetic crosses that can be seen after the F2 generation. This results in the production of an offspring which is unable to reproduce, i.e. is sterile.
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Patrice is having a tough time developing confidence before she has to speak in front of a group of her colleagues. She asks her friend, Amelia, for help building confidence. What topic should Amelia recommend that Patrice study to BEST help her build confidence before future public speaking occurrences?
Phrasing
Mirroring
Haptics
Power poses
Amelia should recommend that Patrice study "Power poses" (option d) to best help build confidence before future public speaking occurrences.
Amelia should recommend that Patrice study "Power poses" as they are a proven method to boost confidence in public speaking. Power poses involve adopting postures that convey confidence and authority, which can have a positive psychological impact on the individual.
By practicing power poses before a presentation, Patrice can feel more self-assured and in control, leading to a better performance in front of her colleagues.
Although phrasing, mirroring, and haptics can be helpful in certain situations, power poses specifically target confidence-building and are most relevant to Patrice's concerns about her public speaking abilities.
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SOMEONE PLEASE HELP ME THIS IS DUE TONIGHT!!!! Excretion of nitrogen-containing wastes is a problem for animals because nitrogen-containing waste products can be toxic to cells. Three different I mechanisms have evolved in animals for removal of nitrogenous waste:
• ammonotelism: excretion of ammonia
• ammonotelism: excretion of ammonia
• ureotelism: excretion of urea . uricotelism: excretion of uric acid
The least energy-consuming mechanism is ammonotelism, or ammonia excretion. However, ammonia is highly toxic to animal cells and must be eliminated quickly to preserve cell integrity. Urea is lesstoxic to cells than ammonia, but producing it requires more energy expenditure than producing ammonia. Production of uric acid is the most energy consumptive of the three, but uric acid is the least toxic of the three waste forms. Cells can be exposed to uric acid for long periods of time without harm
In addition, ammonia and urea are highly soluble in water. Dilution of these compounds reduces their toxicity and can help to move them quickly away from cells. Uric acid is insoluble in water and tends to precipitate out as a semi-solid when it builds up in some quantity.
1. The data in the table below show the results of chemical analysis of animal excrement for compounds containing nitrogen. The quantities listed in the table reflect the percentage of the total nitrogen in the form of ammonia, urea, and uric acid. Analyze the data and describe the relationship between the type of excretion and the type of organism and its environment
2. The type of excretion mechanism used by an animal reflects a balance among the amount of energy needed to produce the waste, the toxicity of the waste, and the availability of water in the animal’s environment that could be used to flush the waste away. Propose an explanation for the observed excretion mechanisms in turtles, tortoises, and snakes that takes into account the toxicity, water solubility, and energy requirements related to each mechanism
1. After analyzing the data in the table the relationship between the type of excreta, the type of organism and its environment can be shown.
A. Ammonia excretion, or ammonotelicism, is a characteristic of aquatic organisms such as fish, tadpoles, and aquatic insects. These organisms are found in aquatic habitats with lots of water to dilute and remove highly soluble ammonia.
B. Mammals, adult amphibians, and some marine fish all exhibit Ureotelism,, which involves the excretion of urea. Although not the same as aquatic organisms, these organisms have access to water.
C. In reptiles, birds and insects, Uricotelism - characterized by the excretion of uric acid - is observed. Mostly, these species are found in arid or terrestrial habitats with little access to water.
2. The toxicity, water solubility and energy requirements associated with each mechanism in relation to the unique characteristics of these organisms and their environment can be used to explain the reported excretion patterns in turtles, tortoises and snakes.
Most turtles, tortoises and snakes are terrestrial or semi-aquatic creatures, and they often live in areas with little access to fresh water. This element is important in finding out how they excrete waste.
The toxicity of the waste products must also be taken into account. Even though the process of excreting ammonia (ammonotelism) will use less energy, ammonia toxicity can be harmful to cells, especially in animals such as birds and reptiles where prolonged exposure to waste products is expected.
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Water is essential for all living processes, and most land animals need a supply of fresh water to survive. Group of answer choicesTrueFalse
Water is essential for all living processes, and most land animals need a supply of fresh water to survive. Without water, existence of life will be impossible. All organisms use water for their existence. It is used as drinking water. It is also an aid in respiration process.
Answer -True
Each of the following is a function of the liver except Each of the following is a function of the liver except antibody production. storage of glycogen and iron reserves. inactivation of toxins. synthesis and secretion of bile. synthesis of plasma proteins.
Answer:
Synthesis and secretion of bile is not the function of liver.
Explanation:
In ______, Gorter and Grendel extract lipids from blood cells. After evaluating them, they propose membranes are made of a ____________.
Answer:
The correct answer would be - 1925, phospholipid bilayer.
Explanation:
Gorter and Grendel performed an experiment in 1925 to extract lipids from blood cell and after extracting the protein they evaluated red blood cell membrane.
They found out that plasma membrane have two lipid layer and these lipids are made of phospholipids. Phospholipids are phosphate group that are attached with the lipid molecule.
Thus, the correct answer would be - 1925, phospholipid bilayer.
Which of the following best explains why the biosphere is a key component of the Earth’s systems?
a.
The biosphere is a key component of the Earth’s systems because it is a common concept to many disciplines in science.
b.
The biosphere is a key component of the Earth’s systems because the seasonal cycles directly affect primary productivity.
c.
The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.
d.
The biosphere is a key component of the Earth’s systems because it has evolved to create the chemical composition of the planet we know today.
Please select the best answer from the choices provided
A
B
C
D
Answer:
c. The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.
Explanation:
Crees en la evolución de las especies? ¿Por qué si o por qué no?
Answer:
Hace 160 años, Charles Darwin publicó "El origen de las especies" y su teoría de la evolución cambió radicalmente la biología. Ahora al pedir mi opinión, mi respuesta es SI, si creo en la evolucion ya que todo va cambiando a medida que el tiempo pasa, todo va tornando distinto y al darnos cuenta evolucionando cada ves más. es algo que simplemente no se puede controlar.
Which is a difference between a compound light microscope and a transmission electron microscope?
The compound light microscope can only view specimens in black and white, while the transmission electron microscope has color.
The compound light microscope can view living things, but the transmission electron cannot.
The compound light microscope examines the surface of a cell, and the transmission electron microscope examines internal parts of the cell.
The transmission electron microscope is used for dissections, while the compound light microscope is not.
Answer:
The compound light microscope can view living things, but the transmission electron cannot.
Explanation:
Electron microscopy requires samples to be frozen and therefore dead
Answer:
B
Explanation:
I just took the test an got it correct hope this helps :)
Predict what would happen as the entropy of a system approached 100% A) Randomness would become maximized B) Heat would decrease C) Order would become maximized D) All motion would stop
Given the definition and characteristics of entropy, we can confirm that as the entropy of a system approaches 100%, randomness would become maximized.
By definition, entropy is the scientific idea that corresponds with a state of disorder and randomness. The idea of Entropy is backed by many scientific formulas and concepts which take into account the energy of systems available to do work and other factors, but what it all boils down to is the level of disorder or randomness of a system.
Knowing this, we can confirm that as the level of entropy of a system nears 100%, the system would be thrown into chaos and randomness would be maximized.
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Genetics question - I am trying to figure out the mode of inheritance in this pedigree.
The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.
What is Y-linked inheritance?The genes that are found on the Y chromosome can be inherited through a process known as Y-linked inheritance. The X and Y chromosomes are the sex chromosomes of male mammals like humans.
The Y chromosome has fewer genes than the X chromosome because it is smaller. In addition, they are also necessary for sperm formation, healthy hormone output, and other features unique to males.
The pedigree given here is the case of Y-linked inheritance because each male generation is of showing this inheritance and the same is being followed in the family 5.Hence, the correct option is 3.
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The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.
What is Y-Linked inheritance?Y-linked inheritance is a type of genetic inheritance that occurs exclusively through genes located on the Y chromosome. The Y chromosome is one of the two sex chromosomes in humans, and it is typically only present in males.
Since females do not have a Y chromosome, they cannot inherit traits that are exclusively Y-linked. In males, however, any genetic variation on the Y chromosome is passed on directly from father to son.
Y-linked inheritance is relatively rare compared to other types of inheritance because the Y chromosome is small and contains relatively few genes. Some examples of traits that are known to be Y-linked include male-specific infertility, hair loss, and some types of color blindness.
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An ___ Is all the interacting abiotic and biotic factors in a particular area
1) community
2)ecosystem
3)Environmental science
4)biosphere
Answer:
ECOSYSTEM
Explanation:
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A lot of points marking people as BRIANLIST
What is the the purpose and process of transcription and translation ( summarize)
Answer:
click on the photo. this should help. please mark brainliest:)
Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
Suppose a submarine is changing depths. Which direction could the
submarine move to go from an area of lower pressure to an area of higher
pressure?
OA. From a trench to the twilight zone
OB. From the deep ocean to a trench
OC. From the deep ocean to the twilight zone
D. From the twilight zone to the ocean surface
Write 5 uses of air .
Answer:
To breath
To smell
To give energy
‘To substaine life
Explanation:
Common sense
Choose the word that best completes each sentence. Angiosperms’ anchor them in the ground and absorb water for the plant. Their stems provide support to the plant and connect the roots and leaves. Their capture the sun’s energy and use it to make food through the process of photosynthesis. Angiosperms’ contain the reproductive parts of the plant. Their protect and help spread the seeds.
Answer:
Root anchor them in the ground and absorb water for the plant. Woody stem provides support to the plant and connect the roots and leaves. Leaves capture the sun's energy and use it to make food through the process of photosynthesis. Flowers contain the reproductive parts of the plant. fruite protect and help spread the seeds.
Explanation:
Answer:
roots, leaves, flowers, fruits
Explanation:
What characteristic do you have that you hope to pass on to your progeny? Why?
Characteristics found in germ lines are generally passed down to the next generation of offspring through sexual reproduction, whereas traits found in somatic cells are not.
What is the significance of the passing of traits?Traits, also known as characteristics, are generally passed on to the next generation as they are present on germ line cells, such that in the case of the male, they produce sperm so, the active genes on the sperm will express in the offspring, and in the case of the female, the active gene on the ovum will express in child.
Hence, characteristics found in germ lines are generally passed down to the next generation of offspring through sexual reproduction, whereas traits found in somatic cells are not.
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At low frequencies during DNA replication, an extra nucleotide maybe inserted into the DNA strand. If this occurs within a gene, what would be the effect on the protein product
Answer:
1. It could result in a loss of function of the protein product
2. It could result in a protein product with excessive activity
3. It could result in altered structure of the protein
Explanation:
Any changes that occur in the nucleotide sequence in the DNA of an organism is known as a mutation. Various forms of mutation can occur in the DNA sequence of an organism which could be as a result of insertion or deletion of a nucleotide in the DNA sequence.
Insertion of an extra nucleotide into a DNA strand within a gene could have any of the following effects on the protein protein;
1. It could result in a loss of function of the protein product of the gene whereby the protein can no longer carry out its normal functions
2. It could result in a protein product with excessive activity other the normal range at which it functions.
3. It could result in altered structure of the protein either in the primary, secondary, tertiary, or quaternary structure
Explain why scientists might use models to represent Earth’s process
Answer:
Scientists use models to investigate objects or processes that happen too slowly, too quickly, or on too small of a scale to observe directly.
They also use models to explore phenomena that are too vast, too complex, or too dangerous to study firsthand.
Identifying Parts of an Ecosystem
Warm-Up
Match each term to the appropriate description.
ecosystem
allorca whales, fish, and seaweed living in
one area
population
allorca whales, fish, seaweed, islands, and
the Pacific Ocean
community
a group of orca whales living along the Gulf
of Alaska
organism
allorca whales in the world
species
a single orca whale
Ecosystem is a geographical area where biotic and abiotic components interact with each other.
Term with appropriate description are as follows:Ecosystem:- all orca whales, fish, seaweed, islands, and the Pacific Ocean
Population:- all orca whales, fish, and seaweed living in one area
Community:-a group of orca whales living along the Gulf of Alaska
Organism:-a single orca whale
Species:-all orca whales in the world
What are biotic components?These are the living components of ecosystem like plants and animals.
What are abiotic components?These are the non living components of ecosystem like air, water, soil etc.
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Answer:
ECOSYSTEM- all orca whales, fish, seaweed, islands and the pacific ocean
ORGANISM- a single whale orca
COMMUNITY- all orca whales, fish, and seaweed living in one area
POPULATION- a group of orca whales living along the gulf of Alaska
SPECIES- all orcas in the world
Explanation: