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Anastasy [175]
3 years ago
8

The diagram shows one process during sexual reproduction. After fertilization, the zygote contains 28 chromosomes. What is the n

umber of chromosomes (n) present in the gametes?
Biology
1 answer:
DaniilM [7]3 years ago
5 0
The answer is 14 since there is 28 in the zygote.

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A group of scientists must complete a study, but they have limited funding from a government organization. What
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Complete smaller studies over a longer period.

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What considerations determine if an animal excretes nitrogenous waste as ammonia, uric acid, or urea
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A major factor in determining the mode of nitrogen excretion is the availability of water in the environment. Generally, aquatic animals excrete mostly ammonia, whereas terrestrial animals excrete either urea or uric acid.

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Interstitial cells produce?
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The correct answer is option E (testosterone).

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7 0
3 years ago
What is the effect on transcription of the structural and regulatory genes of the lac operon when lactose is present in the envi
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In the lac operon, glucose also plays an important role along with lactose. When Lactose is present in the environment along with glucose then it cannot deactivate the regulator gene [repressor], as a result, the repressor will bind to the operator and the transcription will be blocked.

When Lactose is present in the environment without glucose then the Catabolite repressor protein will bind to the CAP Site, and lactose will bind to the repressor [regulatory gene product], as a result, the repressor gets deactivated and the transcription takes place.

Lac operon: It is a set of three structural genes z, y, and a which are all transcribed and regulated under one single promoter. The three genes code for β-galactosidase, lactose permease, and transacetylase respectively.

β-galactosidase is responsible for breaking the lactose into glucose and galactose, lactose permease is responsible for transporting lactose across the cell membrane and transacetylase attaches a particular chemical group to target molecules.

Learn more about Lac operon here

brainly.com/question/1217140

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7 0
2 years ago
Suppose you have a beaker of sugar and a beaker of salt. They are unlabeled and the white crystals look identical. Your assignme
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I do not know

Explanation:

7 0
2 years ago
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