Which of the Following Membrane Activities Requires Energy from ATP

question 33

Multiple Choice

Which of the following membrane activities requires energy from ATP hydrolysis?

• A)facilitated diffusion of chloride ions across the membrane through a chloride channel
• B)movement of water into a cell through aquaporins
• C)movement of sodium 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 inside the cell
• E)movement of carbon dioxide out of a paramecium

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