C. Would be the right answer!!!!!!
Answer:
Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.
Explanation:
Answer:
When the insulation around a wire is worn or frayed.
Explanation:
Im on the quiz!
Answer: I would say blue
Explanation: Blue substantially helped plants grow. Along with the rest of the colors. The only colors that didn't grow that much were green and yellow