9. What is the first event that occurs when a virus infects a host cell?

Biology

1 answer:

olga nikolaevna [1]3 years ago

7 0

Answer:

Explanation:

first it attaches to the host cell membrane

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Which of the following statements are true regarding types of stem cells

hram777 [196]

Answer:

Merestamatic stem cell are only found in plants

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There are 25 individuals in population 1, all with genotype AA, and there are 40 individuals in population 2, all with genotype

german

Answer:

a. Genetic drift

Explanation:

When there is a change in the frequency of genes in a small population due to chance event as a result of which a few alleles disappear from the population, is known as genetic drift.
In the given situation, the population size is small i.e. 25 and 40 respectively and in both these populations, it can be seen that one of the population only has allele A whereas the other has allele a, and because of this it can be concluded that this situation must have arisen due to genetic drift.
The populations got established due to random sampling and then the progenies inherited only the alleles of the organism that reproduced and thus, the frequency of the other allele decreased and this is merely a chance event.

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3 years ago

A client has been recently diagnosed with type 2 diabetes, and reports continued weight loss despite increased hunger and food c

klasskru [66]

Answer:

polyphagia.

Explanation:

Type 2 diabetes is diabetes which usually occurs in adults os characterized by frequent urination, increased thirst, and unexplained weight loss.

Usually, a person suffering from diabetes even though he has unexplained weight loss also experiences increased appetite and thus, consumes more food this is because even though the needed glucose is being wasted, the body's requirement for feel continues.

As a result, a person with diabetes feels hungry and eats more (polyphagia). Despite eating more, he or she loses weight as the body uses fat and protein to substitute for glucose.

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3 years ago

Explain the difference between an exotic species and an invasive species

wolverine [178]

They basically mean the same thing. An invasive species is an non-native species. An exotic species is also an non-native species.

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How can mutations affect organisms

Fantom [35]

Answer:

Mutations are essentially evolution. mutations affect organisms because it changes how some things about the organism work, may this be organs, defensive properties, whatever.

Explanation:

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3 years ago