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Microbial Biochemistry: Exoenzymes Notes

Institution: University

Course: Bachelor of science In Biochemistry

Content Category: Summaries

Posted By: PWatheka

Document Type: PDF

Number of Pages: 5

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Summary

Exoenzymes:

Introduction
Exoenzymes are enzymes produced within the cell, then released outside of the cell to begin the process of extracellular digestion. Unless transported into the cell via an energy-using process such as endocytosis, very large macromolecules cannot normally pass through the cell envelope. Digestive exoenzymes break large molecules into smaller sizes via hydrolysis. These exoenzymes can be classified on the basis of the kinds of molecules they hydrolyze; carbohydrates, lipids, proteins, or nucleic acids.

Function
In bacteria and fungi, exoenzymes play an integral role in allowing the organisms to effectively interact with their environment. Many bacteria use digestive enzymes to break down nutrients in their surroundings. Once digested, these nutrients enter the bacterium, where they are used to power cellular pathways with help from endoenzymes.
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