Which of the Following Membrane Activities Require Energy from ATP

question 51

Multiple Choice

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

• A) facilitated diffusion of chloride ions across the membrane through a chloride channel
• B) movement of water into a cell
• C) Na⁺ ions moving out of a mammalian cell bathed in physiological saline
• 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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