Multiple Choice
Which of the following substances would have the most trouble crossing a biological membrane by diffusing through the lipid bilayer?
A) a small,nonpolar molecule such as butane (C4H10)
B) CO2
C) Na+
D) O2
Correct Answer:
Verified
Correct Answer:
Verified
Q22: Many of the enzymes that control a
Q23: The fluid mosaic model describes the plasma
Q24: Substrates bind to an enzyme's site.<br>A)active<br>B)inhibitory<br>C)phosphate<br>D)allosteric
Q25: The molecules responsible for membrane transport are<br>A)proteins.<br>B)steroids.<br>C)carbohydrates.<br>D)phospholipids.
Q26: Which characteristic promoted the utilization of lipids
Q28: Inhibition of an enzyme is irreversible when<br>A)covalent
Q29: Which of the following statements is true
Q30: Which of the following energy transfers is
Q31: Membrane phospholipids<br>A)have hydrophilic tails that face outward
Q32: Glucose molecules provide energy to power the