Which of the following substances would have the most trouble crossing a biological membrane by diffusing through the lipid bilayer?
A) O₂
B) CO₂
C) Na⁺
D) a small, nonpolar molecule such as butane (C₄H₁₀)
Correct Answer:
Verified
Q1: Many physiological conditions are related to particular
Q2: Plasma membranes are selectively permeable. This means
Q5: Which of the following statements regarding diffusion
Q6: Oxygen crosses a plasma membrane by
A)osmosis.
B)active transport.
C)pinocytosis.
D)passive
Q7: If you were working for a pharmaceutical
Q10: Small, nonpolar, hydrophobic molecules such as fatty
Q15: Which characteristic promoted the utilization of lipids
Q16: Which of the following statements regarding membrane
Q19: The fluid mosaic model describes the plasma
Q20: All cells are enclosed by a plasma
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