BMEN101 2ND EXAM 2024 WITH 100% ACCURATE SOLUTIONS

1. Most of the functions of a cell membrane, including transport and enzymatic function, are performed by a. Cholesterol b. Proteins c. Phospholipids d. Glycolipids 2. Which of the following statements regarding membrane protein function is false? a. Membrane proteins act as receptors to molecules like hormones. b. Membrane proteins form junctions between cells. c. Membrane proteins produce phospholipids. d. Membrane proteins serve as enzymes. 3. Which of the following will bind to the active site of an enzyme? a. Substrate only b. Both substrate and competitive inhibitor c. Competitive inhibitor only d. Noncompetitive inhibitor only 4. Facilitated diffusion across a biological membrane requires and moves a substance its concentration gradient. a. transport proteins; against b. energy and transport proteins; against