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What is the primary mechanism of action for alcohol-based disinfectants?

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Question: What is the primary mechanism of action for alcohol-based disinfectants?

Options:

  1. Denaturation of proteins
  2. Disruption of cell membranes
  3. Inhibition of nucleic acid synthesis
  4. Oxidation of cellular components

Correct Answer: Denaturation of proteins

Solution:

Alcohol-based disinfectants primarily work by denaturing proteins, which disrupts cellular functions and leads to cell death.

What is the primary mechanism of action for alcohol-based disinfectants?

Practice Questions

Q1
What is the primary mechanism of action for alcohol-based disinfectants?
  1. Denaturation of proteins
  2. Disruption of cell membranes
  3. Inhibition of nucleic acid synthesis
  4. Oxidation of cellular components

Questions & Step-by-Step Solutions

What is the primary mechanism of action for alcohol-based disinfectants?
Correct Answer: Denaturing proteins
  • Step 1: Understand that alcohol-based disinfectants are used to kill germs and bacteria.
  • Step 2: Know that these disinfectants contain alcohol, which is the active ingredient.
  • Step 3: Learn that the primary way alcohol works is by denaturing proteins.
  • Step 4: Recognize that denaturing proteins means changing their structure so they can't function properly.
  • Step 5: Realize that when proteins in the cells are disrupted, it leads to the death of those cells.
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