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vfiekz [6]
4 years ago
8

How many types of endocrine systems ​

Biology
1 answer:
mezya [45]4 years ago
3 0

Answer:

There are three types of endocrine cells;

Explanation:

; alpha cells which secrete glucagon, beta cells which secrete insulin, and delta cells which inhibit the secretion on glucagon and insulin: Glucagon increases the blood glucose level by stimulating the liver causing convert Glycogen into Glucose (sugar).

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Suppose there is a protein "A" which binds to a DNA sequence and increases transcription of the gene CBC23. In the presence of m
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Answer:

A = Activator

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Explanation:

An activator is a protein which typically binds to a short (50–1500 bp) region of DNA which might be located either upstream (mainly) or downstream of a gene so as to cause increased transcription. This particular region of DNA is known as enhancer and activator is also  known as transcription factor. Activator is a trans-acting factor which binds to the cis-acting factor which is enhancer so as to enhance transcriptional expression.

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If the stomata remain closed due to water loss, what happens to the concentration of CO2 and O2 in the leaf
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Fixation of oxygen occur instead of carbondioxide.

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