Question 4 of 10
2 Points
Which factor helps determine the fertility rate of a group of people?
O A. Death rate
B. Education
O c. Consumption rate
D. Farmland
SUBMIT

Yes, all human cells are capable of mitosis and cell division.

Mitosis is a process by which a single parent cell divides to make two new daughter cells. Each daughter cell receives a complete set of chromosomes from the parent cell. This process allows the body to grow and replace cells.

Any kind of internal or external damage leads a signal ti cell to divide at a faster rate so that the healing occurs.

Through the process of mitosis, an equal number of cells are produced. Repair of cells occurs only in somatic cells and mitosis tends to divide somatic cells

For example When cells are lost or when a tissue fragment breaks. Therefore, mitosis will produce a huge number of new cells over time to plug the hole and enlarge the tissue once more. This guarantees that the tissue is restored to normal function. Similar to how a wound heals You will notice that the blood gap closes within a few days and that new platelets and skin cells are developing to plug the hole and make additional skin. The forming of new cells of the skin is due to a continuous type of division which is mitosis

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The answer is that the reclassification of segmented worms and roundworms into two separate clades was based on molecular phylogenetics

A scientific approach that analyzes DNA and protein sequences to infer evolutionary relationships between organisms. Through this analysis, it was determined that segmented worms (annelids) and roundworms (nematodes) belong to different clades, despite their similar morphological characteristics. This reclassification helps to refine our understanding of the evolutionary relationships between different groups of animals.

Molecular phylogenetics is a technique that involves analyzing the genetic material (DNA or RNA sequences) of organisms to determine their evolutionary relationships. In the case of segmented worms (Annelida) and roundworms (Nematoda), scientists compared their genetic sequences and discovered significant differences that warranted their separation into two distinct clades. This reclassification was based on the genetic evidence rather than their morphological similarities, providing a more accurate representation of their evolutionary history.

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At the end of 12 hours, .0336 mutations will be present in the population of S. aureus in the wound on the foot.

Generation produced in 12 hours

12*60/30 = 24 generations.

Mutation in 1 generation is - .0028

Mutation after 12 hours - 12* .0028 = .0336

In most cases, an infection can be prevented by the skin and mucous membranes. S. aureus, however, could infect underlying tissues or the bloodstream if these defences are broken (for example, skin damage from trauma or mucosal damage from a viral infection). It is generally accepted that Staphylococcus aureus divides over three successive division cycles in three alternating orthogonal planes. The molecular mechanism ensuring this geometry of division has remained elusive despite the fact that this mode of division was proposed more than 40 years ago. 14

The bacterium Staphylococcus aureus (S. aureus) reproduces by binary fission, a process in which the daughter cells do not completely separate from the parents and cells group together. S. aureus is a frequent component of the skin microflora on humans, particularly in the nose.

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The above question is incomplete. Check complete question below

Staphylococcus aureus is a bacterium that can cause infections in broken skin. A single S. aureus cell gets into a wound on someone's foot. An S. aureus cell divides by binary fission approximately every 30 minutes. S. aureus has 2.8 x 106 base pairs in its genome. Mutations occur at a rate of 1 per 1010 base pairs per generation. Therefore, approximately 0.0028 mutations will occur per cell in the population. At the end of 12 hours, how many mutations will be present in the population of S. aureus in the wound on the foot?

A .0336

B .0219

C .7891

D .0267

Scientists may be able to predict which species will become extinct by studying fossils. Fossils can be utilized to reconstruct pedigrees and identify family traits.

Scientists can use fossils to determine the time scale over which traits evolved. Scientists can utilize fossils to learn about the traits of ancient animals. Paleontologists compare the properties of species from different historical eras.

They use this information to try to understand how creatures evolved over millions of years Paleontologists classify fossils using physical characteristics that correspond to the Linnaeus system, and the organism then names the genus and species in Latin. A paleontologist collects as many fossils as possible from a rock or silt.

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The organisms in the food train which are predators include:

This referred to an animal which preys on other organisms in the ecosystem and belong to consumers.

In the food train, the animals listed above are consumers and prey on different types of organisms.

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Answer:

Higher and more

Explanation:

Genetic cloning is very complicated and through the process \, our DNA makes mistakes creating disorders and  health issues.

Answer:

Nervous system

Explanation:

The nervous system in humans work together to collect information about the external environment because they consist of the brain, spinal cords and neurons. They collect information from external environment and those information travels through neurons from sense organs like eyes, ears, skin e.t.c as a form of electrical impulses. When they get to the end of the neuron, a chemical called neurotransmitters are released which travels across the cells and send it to the brain, the brain then process it and interprete the signals and respond to it as stimulus.

All animals must be able to take in information and react to their environmental conditions through the Nervous system.

What are the 4 main functions of the nervous system?

Thus, the nervous system is the answer.

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The autonomic nervous system is controlled by the Cerebral cortex, Hypothalamus, Spinal cord, and Brainstem.

The paraventricular nucleus is the primary hypothalamic region for central autonomic nervous system regulation and is controlled by the hypothalamus. The somatosensory nervous system activates bodily functions that help you when you're in trouble, especially when you're stressed or in danger.

In your body, the parasympathetic nervous system works in opposition to the sympathetic nervous system. The autonomic nervous system is the part of the nervous system that controls internal organs such as sweat, salivary, digestive glands, blood vessels, stomach, intestine, liver, kidneys, bladder, genitals, lungs, and pupils.

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Answer:  Concerns were the health risk associated with those who will eat Genetically modified papaya.

Explanation:

Scientists tried to make a genetically modified papaya in Hawaii because papaya industry was dropping drastically due to PRS virus infection and thousands of farmers had lost their jobs. Then the scientist genetically modified papaya plants by inserting virus resistant genes. This helped a lot in producing disease free crops.

The main ethical concern of farmers was to understand the health risk associated with the crops which are genetically modified with viral genome could cause health complications to consumers.

Answer:

A.

Explanation:

hypertonic- Higher solute in solution than in cell

Hypotonic- Lower solute in solution than in cell

Answer:

B. hypotonic to hypertonic

Explanation:

Hope this helps

Answer: pretty sure the answer is ⠀ ⠀ ⠀, hope this helps! :))

Explanation:

The process of reducing the size of the pupil in bright light by the contraction of the muscles of the iris is called miosis.

Miosis is a natural reflex that helps protect the eye from excessive light, which can damage the delicate tissues inside the eye. When there is less light, the muscles in the iris relax, allowing the pupil to dilate and let more light in. This helps us see better in dimly lit environments. Miosis can also be induced by certain drugs, such as opioids and some types of eye drops, which can cause the pupils to constrict. Conversely, drugs like atropine can cause the pupils to dilate by inhibiting the contraction of the iris muscles.

Understanding the process of miosis and how it can be influenced by various factors is important for maintaining good eye health and treating certain eye conditions. This mechanism is essential for maintaining visual acuity and preventing potential damage to the retina caused by excessive light exposure. Myopia, on the other hand, is nearsightedness, while mydriasis refers to the dilation of the pupil, which occurs in low light conditions. The macula is a part of the retina responsible for sharp central vision.  

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Answer:

it can kill organisms that release nitrogen

Explanation:

In a cloud, water droplets condense onto one another, causing the droplets to get bigger and increase. When these droplets heavy enough, they fall to Earth as rain droplets. That is when we feel and see the rain. Water vapor turns into clouds when it cools and then condenses,or when it turns back into liquid water or ice.

Answer:

Eukaryote cells have a membrane-bound nucleus and prokaryotic cells do not

Explanation:

Answer:

exponential growth

Explanation:

The organisms that are not native of a particular environment but are exposed to live in that particular environment are invasive species. Usually invasive species do not prove useful to the new area and prove harmful to the environment as well. There are some species of organisms that have been accidently introduced to new environment and have been accidently proven to be beneficial. Zebra mussels, being the native to Black Sea when arrived to North America flourished there.

The correct answer is option (C) "I and III."

Both statements I and III are correct regarding seed dormancy. Statement II is incorrect.

Statement I states that seed dormancy is a result of endogenous control, which is true. Endogenous factors within the seed, such as hormones and genetic mechanisms, regulate the dormancy period and prevent germination until certain conditions are met.

Statement II suggests that delayed germination is advantageous to plants. However, this statement is incorrect. Delayed germination is not universally advantageous to plants. While some seeds may benefit from delayed germination to ensure favorable environmental conditions for growth and survival, other seeds may have evolved strategies for immediate germination. The advantage of delayed germination depends on the specific ecological context and the species involved.

Statement III states that an impermeable and hard seed coat results in the dormancy of the seed, which is true. A hard and impermeable seed coat can prevent water uptake and gas exchange, thus inhibiting germination. This dormancy mechanism ensures that the seed remains dormant until conditions are favorable for germination, such as sufficient moisture, temperature, or light.

In conclusion, statements I and III are correct regarding seed dormancy. Seed dormancy is controlled by endogenous factors, and an impermeable and hard seed coat can contribute to the dormancy of the seed. However, statement II, suggesting that delayed germination is advantageous to plants, is incorrect.

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Populations inherently show a lot of phenotypic and genetic variety.Phenotypic variation is the difference between people that may be noticed in their bodily traits and characteristics.

Genetic diversity refers to differences in a population's genetic composition.

Different DNA sequences, the degree of genetic variety, and the degree of variance in the phenotypic of individuals within the population are all examples of this variation.

Any species' ability to adjust genetically to its shifting environment and enhance the likelihood of both survival and successful reproduction depends on this variety. Additionally, this variety is required for the creation of novel features that may be advantageous to the species as a whole.

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Answer:

Y is cellular respiration.

X is carbon dioxide.

Explanation:

Hope this helps! :)

Answer:

Cellular Respiration - Option 5

Explanation:

The animals take in the oxygen produced by plants and make ATP. When ATP is created, carbon dioxide is produced. Plants take in carbon dioxide and do photosynthesis thus producing oxygen again. It is a cycle. The answer is cellular respiration a.k.a cell respiration.

Answer:

Both angiosperms and gymnosperms have well-organized plant bodies divided into roots, stems, and leaves. Seeds are present in both varieties but they are enclosed within the ovary in angiosperms.

Answer: The chief component of the plant cell wall is cellulose. The cellulose chains are present as fibres in the cell wall. It is a non-living component which provides rigidity, shape and strength to the cell.

when the digestive system requires lactase, it manufactures the protein based on information stored in DNA molecule.

The DNA follows up on this information to create a particular sort of protein for the orderly digestion of milk. As a result, when the digestive system needs lactase, it produces the protein using data stored in the DNA molecule. A sort of bodily system known as the digestive system is responsible for breaking down the food and liquids that we intake via our mouths into simpler compounds that the body may use for energy, growth, and tissue repair.

In order to digest milk, a person's body must produce a protein known as lactose. This protein creates the lactase enzyme, which breaks down milk into its glucose and galactose components. These components are easily absorbed and utilised by the body as needed.

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Answer:

As evolution became widely accepted in the 1870s, caricatures of Charles Darwin with the body of an ape or monkey symbolised evolution.

The statement "in this tree, lizards are the sister taxon of the lineage that includes humans and chimps" is false because these two groups diverged from each other a long time ago, and therefore cannot be considered sister taxa.

A "taxon" (plural: taxa) is a group of organisms that share a common ancestor and can be classified together. A "lineage" refers to a series of organisms connected through evolutionary history, starting from a common ancestor and continuing through its descendants. A "sister taxon" is a taxonomic group that shares a common ancestor with another taxonomic group.

Based on this understanding, we can say that lizards and the lineage that includes humans and chimps are not sister taxa, as they do not share a common ancestor. Lizards belong to the taxonomic group called Reptilia, while humans and chimps belong to the taxonomic group called Hominidae.

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Answer:

bad cholesterol

Explanation:

Your body needs healthy fats for energy and other functions. But too much saturated fat can cause cholesterol to build up in your arteries (blood vessels). Saturated fats raise your LDL (bad) cholesterol. High LDL cholesterol increases your risk for heart disease and stroke.

Answer:

The person's bad cholesterol would decrease.

Explanation:

edgy 2021

Answer:

I think true or maybe false don't mind ok but ithink it is true

Answer:

true

Explanation:

they use energy from the sun to convert water from soil and CO2 from the air to make nutrients like glucose

Answer:

it smeels the fear and anything that it smells like coming from the animal their sences are that strong

Explanation:

Answer: bebesitaaaaaaa

Explanation:

Answer:

Lactic Acid

Explanation:

When e exercising we sometimes feel a burning sensation either in our lungs or our muscles that goes away shortly after the activity. Caused by the build up of Lactic Acid

The kind of molecules released by metabotropic receptors that may open ion channels and initiate the synthesis of second messengers is the G protein.

Metаbotropic receptors аre а subtype of membrаne receptors thаt do not form аn ion chаnnel pore but use signаl trаnsduction mechаnisms, often G proteins, to аctivаte а series of intrаcellulаr events using second messenger chemicаls. Chemicаl messengers bind to metаbotropic receptors to initiаte а diversity of effects cаused by biochemicаl signаling cаscаdes. G protein-coupled receptors аre аll metаbotropic receptors.

Metаbotropic receptors аre not themselves ion chаnnels. Neurotrаnsmitter binding triggers а signаling pаthwаy, which mаy indirectly open or close chаnnels (or hаve some other effect entirely).

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