Which of the Following Statements About the Na+-K+ ATPase Pump

question 43

Multiple Choice

Which of the following statements about the Na+-K+ ATPase pump is false?

• A) It transports Na⁺ out of cells and K⁺ into cells.
• B) It binds to, and hydrolyzes, ATP.
• C) It is constantly active in all cells.
• D) Its activity requires the expenditure of metabolic energy.
• E) It transports Na⁺ and K⁺ in a 1:1 ratio.

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Definitions:

Natural Selection

The process by which biological traits become either more or less common in a population due to the effect on the survival and reproduction of organisms.

Evolutionary Process

The natural development and adaptation of organisms over time through mechanisms like natural selection and genetic drift.

Common Ancestors

Refers to an ancestor that two or more descendants or species have in common from their family tree or evolutionary path.

Harmonious Ecosystem

An ecological state wherein different species and elements of an environment interact in a balanced and beneficial manner, supporting sustainability.