If your cell did not produce proteins enzymes would not be available to speed up reactions throughout your body, and they would also not be available to make the many organelles made with proteins such as microtubules which would cause many other problems within the cell.
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Answer:
Covering Mouth/Nose
Explanation:
Covering your mouth and nose. The germs spread primarily from your eyes and nose, so coughing and sneezing on objects that are used by a wide multitude of people will obviously affect them as well. Usually masks are used, but if you're careful there will be no need.
The last option because it's like the earth
Well since cacti are usually found in hot and dry places they wont have much of a supply of water. so the cacti will grow and adapt over time to need less water; therefor, the cactus stem's structure benefits the plant because it has adapted to need less water. get it?