Multiple Choice
What is responsible for the selective permeability of a cell membrane?
A) the position of cholesterol in the membrane bilayer
B) the integral proteins of the membrane
C) the hydrophobic core formed by the phospholipid tails
D) the hydrophilic end facing the cell exterior
Correct Answer:
Verified
Correct Answer:
Verified
Q21: What should the tonicity of the distilled
Q22: Which environment is ideal for plant cells,
Q23: Suppose water moves across a membrane from
Q24: Which molecules will pass most easily through
Q25: One component of the cell membrane functions
Q27: What two processes are involved when eukaryotic
Q28: Match each mechanism of cellular transport with
Q29: In an aqueous environment, how are the
Q30: Which of the following is absolutely necessary
Q31: An unknown cell contains cholesterol. What type