Hi the answer to your question is called amino acids.
Hope this helps.
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heres your answer
The macronutrients -- fat, protein and carbohydrates -- are high in energy density, which means that they have 4 or more calories per gram. The other essential nutrients -- water, vitamins and minerals -- have no calories, so they provide no energy.
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General term: Behavior
Specific to plants: phototropism (leaves growing towards the sun), hydrotropism (roots growing to or away from moisture), geotropism (plants growing towards the center of the earth)
The umbilical cord transport food/nutrients to the fetus. I hope this helps