Why Did Scientists Originally Hypothesize That Proteolytic Enzymes Like Pepsin

question 8

Multiple Choice

Why did scientists originally hypothesize that proteolytic enzymes like pepsin and trypsin are secreted in inactive form?

• A)These proteolytic enzymes,in active form,would digest the very tissues that synthesize them.
• B)They identified the hormone that activates pepsin and trypsin.
• C)The stomach is too acidic to maintain these enzymes in their active form.
• D)Pepsin and trypsin have never been isolated in their fully activated form.

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Definitions:

DNA Replication

The biological process of producing two identical replicas of DNA from one original DNA molecule.

X-linked Recessive

An X-linked recessive trait is a mode of genetic inheritance by which a mutation in a gene on the X chromosome causes the phenotype to be expressed in males and in females who are homozygous for the gene mutation.

Color-blindness

A genetic condition where an individual's perception of colors is different from normal due to the lack of or malfunction of certain color-detecting molecules in the eyes.

Heterozygous

Possessing unlike alleles for a particular trait.