Which of the Following Membrane Activities Requires Energy from ATP

question 15

Multiple Choice

Which of the following membrane activities requires energy from ATP?

• A) facilitated diffusion of chloride ions across the membrane through a chloride channel
• B) movement of water into a cell
• C) movement of Na+ ions from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid
• D) movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than that inside the cell
• E) movement of carbon dioxide out of a paramecium

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