Answer:
In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.
Explanation:
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Koalas benefit from tress because then can climb on them to keep away from danger such as other ground predators, Trees can also serve as a food source for them to eat in day to day life.
During photosynthesis, carbon dioxide and water combine to form glucose (the plant’s energy). When there is not enough water, the plant cannot produce any glucose, even if there is light and carbon dioxide
