Multiple choice

Which of the following takes place in active transport?

  1. Movement of a substance from its lower to higher concentration

  2. Movement of a substance form its higher to lower concentration

  3. Movement of water from its lower to higher concentration

  4. Movement of water from its higher to lower concentration
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In active transport, a substance (ion or salt) moves from its lower concentration to higher concentration.

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