Just as hydrochloric acid is for pepsinogen, so is the
A
Haemoglobin to oxygen
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B
Enterokinase to typsinogen
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C
Bile juice to fat
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D
Glucagon to glycogen
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Solution
The correct option is B Enterokinase to typsinogen Gastric enzyme pepsin is secreted in inactive form pepsinogen. The pepsinogen is activated to pepsin on exposure to gastric hydrochloric acid. The pancretic juice contains trypsinogen, chymotrypsinogen and procarboxypeptidase as the proteolytic enzymes. The trypsinogen is activated to trypsin by the action of enzyme enterokinase. Activated trypsin then inturn activates chymotrypsinogen and procarboxypeptidase.