A) Pancreatic amylase
B) Maltase
C) Lipase
D) Enter kinase
Correct Answer: D
Solution :
: Enter kinase is an enzyme secreted by the glands of the small intestine that acts on trypsinogen to produce trypsm. This trypsin breaks chymotrypsinogen into chymotrypsin and procarboxypeptidase into carboxypeptidase. All these are concerned with protein digestion which is summarized below: \[Proteins\text{ }\xrightarrow{Tryp\sin }\text{ }Large\text{ }Peptides\] \[Proteins\text{ }\xrightarrow{Chymotryp\sin }\text{ }Large\text{ }Peptides\] \[\text{Elastin }\xrightarrow{Elastase}\text{ }Large\text{ }Peptides\] \[Large\text{ }Peptides\xrightarrow{Carboxypeptidases}\text{Dipeptides+Amino}\,\text{acid}\]Thus, we can say that if enter kinase is absent in our small intestine, digestion of proteins in our body would be severely affected.
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