Which of the following modes of cellular transport require energy?:
Correct answer: A. Active transport
- A. Active transport
- B. Passive transport
- C. Osmosis
- D. Diffusion
Explanation
Active transport is a mode of cellular transport that requires energy to move molecules or ions against their concentration gradient, from an area of low concentration to an area of high concentration.
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About Animal and Plant Cell
Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
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