Secondary active transport is:
A) establishment of a cation or anion gradient with an ATPase that subsequently drives transport of an amino acid or sugar against a concentration gradient.
B) the use of an ATPase to establish an anion or cation gradient.
C) the antiport process of transporting species in opposite directions.
D) establishment of an ATP gradient across a membrane that drives uptake of sugars.
E) symport of malate and glutamate so that metabolism can synthesize ATP.
Correct Answer:
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