Test: SAT II Biology M

1.

Which of the following types of transport require ATP?

Water moving from an area of low solute concentration to an area of high solute concentration

Sodium ions moving from an area of high concentration to an area of low concentration through a voltage-gated sodium channel

Water moving down its concentration gradient through an aquaporin

The Na+/Kpump releasing 3 sodium ions outside of the cell and 2 potassium ions into the cell

Glucose moving into the cell, down its concentration gradient, through a channel

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