Which one of the following best describes why chymotrypsinogen needs to be made before chymotrypsin?单项选择题

A

Chymotrypsinogen breaks proteins down into the amino acids that are needed for chymotrypsin synthesis

B

Chymotrypsinogen breakdown releases energy that is needed for chymotrypsin synthesis

C

Chymotrypsin is much more water-soluble and can distribute through the blood to where chymotrypsin is needed

D

If active chymotrypsin was made immediately it might break peptide bonds at undesired locations

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