Biochemists Working for a National Endocrinology Institute Are Investigating the Specifics

question 18

Multiple Choice

Biochemists working for a national endocrinology institute are investigating the specifics underlying glucose transport across adipose cell membranes.  One of their experiments shows that, in the presence of insulin, D-glucose transport across the plasma membrane of adipocytes is much faster than L-glucose transport.  Which of the following transport processes best describes the mechanism for glucose entry into these cells?

• A)Simple diffusion
• B)Receptor-mediated endocytosis
• C)Carrier-mediated transport
• D)Primary active transport
• E)Co-transport

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