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chapter 2 Cell: The Building Block Of Life - Part 1

Which cellular transport mechanism requires metabolic energy (ATP) to move molecules against a concentration gradient?

Type: MCQ • Marks: 1
Which cellular transport mechanism requires metabolic energy (ATP) to move molecules against a concentration gradient?
Options
A. Active transport
B. Simple diffusion
C. Osmosis
D. Facilitated diffusion
Explanation
Active transport pumps substances across membranes against their gradient using cellular energy.
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Class 9th Science (MCQ)

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