Amino acid Wald
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The image above shows an amino acid attached to which type of molecule?

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

Amajor source of energy for your body comes from