You are an internal medicine resident doctor in a tertiary care center. Your intern asks you about the importance of cell membranes in the absorption of the drugs that he is administering to a patient. All of the following are true about the cell membrane except:
It is an elastic structure 7.5 to 10 nanometers thick.
Each layer of the lipid bilayer is one molecule thick.
25% of the cell membrane is composed of phospholipids.
The lipid layer in the middle of the membrane is impermeable to carbon dioxide.
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go