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Heat kills microbes by denaturing proteins and altering their:

AMovements
BMixtures
CMarkings
DMembranes
Answer & Solution
Correct answer: D. Membranes
1. Proteins lose their shape when heated. 2. The cell boundary is also disrupted. 3. So heat alters their membranes. _Source: OpenStax Microbiology, Chapter 13, Control of Microbial Growth._
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