MCQ Microbiology Answer 31
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The answer is: B
Almost no important nutrients enter the bacterial cell through simple diffusion, an exception being carbon dioxide and oxygen. Some diffusion, however, is facilitated by specific protein carriers. Most transport, except simple diffusion, is energy-dependent, particularly in Gram-negative bacteria. Group translocation occurs in the absence of oxygen. For example, a simple carbohydrate such as glucose is phosphorylated enzymatically and is then transported into the cell.
Tags: Microbiology, MCQ, Bacterial nutrition
Category: Microbiology MCQs
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