What Two Factors Limit the Rate of Facilitated Diffusion Across

question 54

Multiple Choice

What two factors limit the rate of facilitated diffusion across a plasma membrane?

• A)the size of the substance and the charge of the substance
• B)the size of the substance relative to the size of the carrier protein
• C)the charge of the substance relative to the resting membrane potential of the cell
• D)the concentration gradient of the substance and the number of carrier proteins
• E)the temperature of the interstitial fluid and the pH of the interstitial fluid

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