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ADA NBDE National Board Dental Part I

Category - NBDE

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Which of the following types of transport does not use metabolic energy and does not depend on a sodium gradient but is instead carrier mediated?

Cotransport
Countertransport
Facilitated diffusion
Primary active transport

Explanation

Answer: C - Facilitated diffusion is a passive process that does not use metabolic energy and does not depend on a sodium gradient. It is, however, carrier mediated.

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ADA NBDE National Board Dental Part I

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ADA NBDE National Board Dental Part I

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