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Burka [1]
2 years ago
11

Some please help ASAP!! i will give brainliest!!

Biology
1 answer:
umka2103 [35]2 years ago
7 0
Acidic groundwater dissolving limestone
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The principal microtubule-organizing center in animal cells is the ____________. A. centrosome. B. centromere. C. kinetochore. D
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Answer:

A. centrosome

Explanation:

  • The centrosome is known as the main microtubule-organizing center in the animal cells. 
  • The centrosome constitutes of two centrioles and is surrounded by the pericentriolar material which is nothing but a structured matrix of proteins. 
  • It is the center through which the microtubules emerge.
  • In animal cells, the centrosome is associated with the formation of spindle fibres. 
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What occurs during the digestion of proteins?
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Specific enzymes break down proteins into amino acids

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Sulfur dioxide _____.
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Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO
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Has an irritating Odor and is colorless
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What causes an H2O molecule to stick to another H2O molecule?
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Answer:

In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond. ... Both of these atoms can form a hydrogen bond with oxygen atoms of different water molecules.

Explanation:

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Compared to aerobic respiration, the process of fermentation provides which of these advantages to the cell?
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Fermentation allows production of energy without oxygen. This is helpful for conserving oxygen.

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