Question

Each phospholipid molecule in a cell membrane consists of:

• A. one polar head and two non-polar tail
• B. one polar head and one polar tail
• C. one non-polar head and one polar tail
• D. one non-polar head and two polar tail

Answer 1

Answer: (A)

According to fluid mosaic model the cell membrane consists of a highly viscous fluid metrix of two layers of phospholipid molecules. The phospholipid have one polar head and two non-polar tails.