Inactive enzyme precursors, such as pepsinogen for pepsin are called as
A
Holoenzymes
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B
Actinases
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C
Zymogens
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D
Mucopolysaccharides
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Solution
The correct option is C Zymogens
A zymogen (or proenzyme) is an inactive enzyme precursor. A zymogen requires a biochemical change (such as a hydrolysis reaction revealing the active site, or changing the configuration to reveal the active site) for it to become an active enzyme.
Zymogen, also called as proenzyme, any of a group of proteins that display no catalytic activity but are transformed within an organism into enzymes, especially those that catalyze reactions involving the breakdown of proteins.