Lactose Is Transported Via Secondary Active Transport into Bacterial Cells

question 44

Multiple Choice

Lactose is transported via secondary active transport into bacterial cells.Which of the following would be absent from a diagram illustrating the mechanism of this transport system?

• A) The direct use of ATP to transport lactose
• B) Coupling of lactose transport to transport of another substance
• C) The formation of a concentration gradient
• D) Diffusion of a substance in the same direction as its concentration gradient
• E) The movement of lactose against its concentration gradient

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