Multiple choice

How many membrane layers does a small molecule have to cross for transfusion from cytosol of one cell to the mitochondrial matrix of the other?

  1. 4

  2. 6

  3. 8

  4. 2

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

From cytosol of one cell to mitochondrial matrix of other cell, there will be total of 4 membranes and each membrane is double layered (inner and outer phospholipid bilayer). Therefore, total layers will be 4*2 = 8.