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mariarad [96]
2 years ago
11

What molecular structure is estrogen?

Biology
1 answer:
trapecia [35]2 years ago
6 0

Estrogen Molecules. The three major naturally occurring estrogens in women are estrone (E1), estradiol (E2), and estriol (E3). Estradiol is the predominant estrogen during reproductive years both in terms of absolute serum levels as well as in terms of estrogenic activity.



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during a natural disaster part of a plnt was damaged if the plant can no longer grow and produce new root cells which of the pla
Usimov [2.4K]

The question is incomplete as it does not have the options which are:

A. Phloem

B. Xylem

C. Apical meristem

D. Root cap

Answer:

The correct answer will be option- Root cap

Explanation:

The plant growth takes place not only above the surface but below the surface also in the roots. Roots continually grow to absorb more water and nutrients to support the growth of the plant.

The roots are protected by a layer of protective cells forming a structure called root cap below the root. The root cap protects the roots, secretes a substance which helps the growth of the root and the sense gravity.

In the given question since the roots are not able to grow therefore the damaged part will be the root cap.

Thus, the root cap is the correct answer.

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2 years ago
The presence of calcium in the sarcoplasm is directly responsible for __________. Multiple choice 1 decreasing the length of the
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  • The presence of calcium in the sarcoplasm is directly responsible for exposing the binding sites on actin.
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<h3>What is Sarcoplasm?</h3>

This is defined as the the cytoplasm of striated muscle cells in living organisms .When calcium is present, the binding sites on actin are exposed.

Rigor mortis occurs after death and involves stiffening of the muscle tissue because  detachment of cross bridges does not occur due to the lack of ATP.

Read more about Rigor mortis here brainly.com/question/25812860

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1 year ago
Generation of clonal diversity occurs primarily during which phase of life
iris [78.8K]

Fetal.

Hope this helps!


-Payshence

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Which phylum of fungi consists of de composers that utilize flagellated spores
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The answer is <span>Chytridomycota.</span>
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B.when the eye reaches the land mass
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