8- d 9- c 10- d 8.Which of the following factors does NOT influence the rate of

Question

8- d 9- c 10- d 8.Which of the following factors does NOT influence the rate of simple diffusion of molecules across a membrane? A. permeability of the membrane to the molecules B. magnitude of the driving force on the molecules C. membrane surface area D. active transport of the molecules 9. Cell membranes allow certain molecules to pass, while blocking others. This property is called A) impermeable. B) freely permeable. C) selectively permeable. D) actively permeable. E) none of the above 10. Which of the following does NOT influence the rate of facilitated diffusion of molecules across a membrane? A. the transport rates of the individual carriers B. the number of carriers in the membrane C. the magnitude of electrochemical gradient of the transported substance D. the solubility of the molecules in the membrane

Explanation / Answer

Yes, all the answers you've given are correct.

8- D) Simple diffusion has not much to do with active transport.

9- C) Selectively permeable membranes are also called as semi- permaable membranes.

10- D) Solubility of the molecules does not really is a factor to be considered in case of facilitated diffusion.

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