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Inessa05 [86]
3 years ago
6

Biology unit test 4 9th grade

Biology
1 answer:
adoni [48]3 years ago
8 0
Which one? the clssifying matter or the ionic bonds?
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In a population of humans, why are the women<br> less pigmented then the men?
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Explanation:

This form of sexual dismorphism is due to the requirement in women for high amounts of calcium during pregnancyand lactation.

6 0
4 years ago
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In nutrient-rich environments (like your mouth), bacteria can use the provided amino acids to synthesize their proteins. However
kirill115 [55]

Answer:

The correct answer will be option-A  

Explanation:

The citric acid cycle is the cyclic chain of reactions taking place as a phase of the cellular respiration as it gets halted in the absence of oxygen. The citric acid cycle converts the obtained acetyl-CoA to a usable form of energy in the form of ATP, NADH and FADH₂.

The citric acid cycle forms intermediates which are utilised by the organisms to synthesise the various biomolecules like amino acids, purines and pyrimidines.

The intermediates like alpha-ketoglutarate forms arginine, proline and glutamine whereas oxaloacetate forms asparagine and aspartate. If bacteria do not receive the amino acids then they will synthesise the amino acids using intermediates of the citric acid cycle.

Thus, option-A is the correct answer.

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4 years ago
How do plants obtain more sunlight
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A. They lean towards the light.

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3 years ago
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What is the basic unit of a nucleic acid
IRISSAK [1]

The basic unit of nucleic acids are known as nucleotides


Hopefully this help you!!!:)

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3 years ago
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Give three examples to illustrate how the shape of a cell makes possible its function
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