Animal cells can take up sucrose against its concentration gradient using a Na +

Question

Animal cells can take up sucrose against its concentration gradient using a Na+/sucrose symporter. Indicate if the following statements are true or false.

1. In the Na+/sucrose symporter Na+ is also moving against its concentration gradient. TrueFalse
2. For the symporter to work, the cell must first establish a Na+ concentration gradient. TrueFalse
3. A symporter works by making the membrane more permeable to ions and sucrose. TrueFalse
4. Moving sucrose against its concentration gradient is a form of active transport. TrueFalse

Explanation / Answer

1. False

1. True

3. False

4. True

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