Which of the following require energy?
Correct Answer: Active transport
Description: Ans: d (Active transport) Ref:Ganong, 22nd ed, p. 32The transport mechanism which requires energy is active transport. The different types of transport mechanisms are given below.Types of transport* Passive transportSimple diffusionFacilitated diffusion* Active transportSimple diffusion - along the cone gradient.No carrier involved.No energy requiredFacilitated diffusion - along the cone gradientCarrier mediatedNo energy required, bi-directionalActive transport - against the cone gradientCarrier mediatedRequire energy, unidirectional
Category:
Physiology
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