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Vinil7 [7]
3 years ago
6

Which of the following statements is true?

Biology
2 answers:
jok3333 [9.3K]3 years ago
7 0

Excessive alcohol use can cause stomach ulcers

Vanyuwa [196]3 years ago
4 0
Alcohol can damage the lungs
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"Cells in the lining of the stomach produce a protein called pepsinogen. When this protein is released into the chamber of the s
Sergio [31]

This is an example of Precursor gene regulation (protein translation) type of eukaryotic gene regulation.

<u>Explanation:</u>

The source which breakdown proteins into smaller amino acid is pepsin and generated as top cells within stomach lining or membrane, responsible for pepsinogen emission inside stomach. It is represented as zymogen having an extra 44 amino acids linkage as its primary structure. Hydrochloric acid (HCl) releases this zymogen which is emitted from the parietal cells in the stomach lining.

Once food is consumed, the hormone gastrine and the vagus nerve cause the secretion of both pepsinogen and HCl from the stomach lining. Hydrochloric acid induces an acidic environment that allows pepsinogen to unfold in an autocatalytic manner and thus generates pepsin the active form.

4 0
3 years ago
Why does geographic isolation cause speciation?
zimovet [89]

Answer:

A. It allows two populations to evolve separately.

Explanation:

Geographic isolation is theorized to have catalyzed the formation of new species. Let’s say groups A and B of a bird species get separated by something, and they can’t cross between to interbreed or exchange alleles.

We describe this as no gene flow, which is the opposite of choices C and D. Because of this, they may diverge if given enough time due to the difference in environmental pressures, because they’re now in different environments.

B is incorrect because it doesn’t apply.

3 0
3 years ago
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What are two possible genotypes or the offspring ?
bixtya [17]
Using Punnett Squares, you can predict the genotypes and phenotypes of the offspring<span> of a cross between a homozygous (purebred) tall pea plant and a homozygous (purebred) short pea plant.</span>
8 0
3 years ago
A population of cheetahs has a birth rate of 5 and a death rate of 15. Immigration is 2, and emigration is 4. What is its popula
kirill115 [55]
Since the death rate is higher than the birth rate we can assume that it will be negative. 5-15 is -10 for their life. immigration is also lower than the emigration. 2-4 is -2. adding -2 and -10 will give us -12, hope this helps.
5 0
3 years ago
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What reaction is degradative
Korolek [52]

Simple sugar dehydration–fragmentation products, such as derivatives of furans, pyrones, cyclopentenes, carbonyl compounds, or acids

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please brainliest :)

6 0
3 years ago
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