Which of the Following Is Most Likely True of a Protein

question 20

Multiple Choice

Which of the following is most likely true of a protein that cotransports glucose and sodium ions into the intestinal cells of an animal?

• A) The sodium ions are moving down their electrochemical gradient while glucose is moving up.
• B) Glucose entering the cell along its concentration gradient provides energy for uptake of sodium ions against the electrochemical gradient.
• C) Sodium ions can move down their electrochemical gradient through the cotransporter whether or not glucose is present outside the cell.
• D) The cotransporter can also transport potassium ions.
• E) A substance that blocks sodium ions from binding to the cotransport protein will also block the transport of glucose.

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Quantity Supplied

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