Question Detail

MIC 121 Introduction what are microbes Objective Question

Question

Which of the following describes how dry heat ovens primarily damage microorganisms for sterilization?
Options
A By denaturing proteins through moist heat.
B By oxidizing molecules and destroying essential cell constituents.
Correct Answer
C By causing cellular rupture due to high pressure.
D By creating a vacuum that dehydrates microbial cells.
Correct Answer

Option B is the correct answer.

Detailed Explanation

According to page 24, 'Dry heat does most of the damage by oxidizing molecules. The essential cell constituents are destroyed and the organism dies.'

Hint

Consider the chemical process involved in dry heat sterilization.

Question Info