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2 votes
Movement from low concentration to high concentration will require:

nothing or
energy/ATP

2 Answers

3 votes
Actually no energy and is called diffusion
User Tap
by
8.4k points
7 votes

Answer:

It requires ATP/energy

Step-by-step explanation:

This is also known as active transportation. Moving from a lower concentration to a higher concentration will cost wayyy more energy than moving from higher concentration to lower concentration. You could think of it as a current, going against the current is harder!

User Martin Lottering
by
7.7k points

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