Fill in the blanks.
Transport of substances against the concentration gradient by using energy is called ________.
Answers
Answered by
6
Answer:
ACTIVE TRANSPORT
Explanation:
PLSS MARK BRAINLIEST
Answered by
2
Answer:
active transport...
Explanation:
simple diffusion and facilitated diffusion do not require energy..
But active transport requires energy.. since it is against concentration gradient
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