Why Do the Cells of the Digestive System Secrete Proteolytic

question 34

Multiple Choice

Why do the cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms?

• A) These proteolytic enzymes, in active form, would digest the very tissues that synthesise them.
• B) By secreting inactive enzymes, the catalytic activity of the enzymes is maintained for a longer time.
• C) The stomach is too acidic to maintain these enzymes in their active form.
• D) Inactive pepsin and trypsin are more easily transported across the cell membrane.

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