Multiple choice

The thickness of plasma membrane is about The semi-permeable plasma membrane is so thin that it is far below the limit of the light microscope.

  1. 10 - 50 angstrom

  2. 50 - 75 angstrom

  3. 75 - 100 angstrom

  4. 100 - 175 angstrom

  5. 200 - 300 angstrom

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The plasma membrane is only about 75-100 angstrom thick and cannot be resolved by optical microscope.