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aalyn [17]
3 years ago
11

Wat is peristaltic movement how helpuf is it in human digestion?​

Biology
1 answer:
AnnyKZ [126]3 years ago
5 0

They move waste and nutrients through the intestines.

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Galaxies moving away from us will emit light that is redder than we would otherwise expect
Alekssandra [29.7K]
This is true, for it is called redshift
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3 years ago
1. A mutation of a human gene blocks harmful viruses from infecting cells. How can the mutation be classified?
Yuri [45]

Answer:

It is a beneficial mutation.

Explanation: Mutations are permanent changes in the nucleotide sequence of a DNA. Mutations can beneficial, neutral and harmful or deleterious. When change in the nucleotide sequence of DNA a mutation enhances the effectiveness of a protein or improves the protein function, it is said to be beneficial. When a mutation causes the synthesis of a protein which have the same amino acid as the original protein and performs the same function as the original protein, it is said to be silent or neutral. When a mutation results in the synthesis of a protein with an altered amino acid sequence and a nonfunctional protein, it is said to be harmful.

3 0
2 years ago
The fertilization in<br> frog<br> is called external fertilization.Why?​
spayn [35]
Answer:

External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water Most external fertilization happens during the process of spawning where one or several females release their eggs and the male(s) release sperm in the same area, at the same time.
Typically, frogs lay eggs. This process usually occurs through external fertilization, where the female releases her eggs from her body into water. Then, the male releases his sperm to fertilize them In this case, the eggs are fertilized inside the female's body before they are released.
4 0
2 years ago
If a cell has 8 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?
Kisachek [45]

Answer:

From what I remember in my 9th grade biology class, it's usually half that amount.

3 0
2 years ago
Explain how the availability of resources in the environment is linked to exponential growth of a species
Alinara [238K]

Answer: Exponential growth occurs when resources in the environment are abundantly available to a species.

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7 0
3 years ago
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