In and no energy is used. Which one needs a helper to get things across?__

1 answer:

8 0

In DIFFUSION AND FACILITATED DIFFUSION no energy is used. The one that needs a helper to get thing across is FACILITATED DIFFUSION.<span> Facilitated diffusion involves the diffusion of materials across the cell plasma membrane with the aid of membrane proteins such as carriers and channels. The process of diffusion does not need a carrier, the molecules to be transported just move on their own from the area of high concentration to the region of low concentration until the concentration in the space become uniform.</span>

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Which activity can only be done by a transmembrane protein?

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A trans membrane protein is a type of integral protein that is found in the entire cell membrane and the membrane protein is attached to the cell membrane.

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In ________and ________ no energy is used. Which one needs a helper to get things across?__________

In and no energy is used. Which one needs a helper to get things across?__