Biology, asked by kirtaniaskk, 10 months ago

Fill in the blanks.
Transport of substances against the concentration gradient by using energy is called ________.

Answers

Answered by tatihaikya
6

Answer:

ACTIVE TRANSPORT

Explanation:

PLSS MARK BRAINLIEST

Answered by vikashini10
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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