Water in the roots is pulled through a plant through the transpiration. Transpiration is the loss of water vapor through the Stomata of the leaves. It uses 90 percent of the water that enters the plant and the remaining 10 percent is used in photosynthesis and cell growth.
Enzymes are (usually) specific to the substrates they bind to. Thus, each enzyme has one and only one substrate structure they can metabolize, so even substrates with similar structures cannot be broken down by an enzyme specific to one of them.
Because mutations do not always result in an amino acid change.
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im so sorry this is so late but i hope i can still help.... its the 3rd one
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