4. which of the following elements is not a component of carbohydrates? nitrogen oxygen carbon hydrogen

A.) Nitrogen

Explanation:

All carbohydrates, including sugar, therefore contain the same three elements: carbon, hydrogen and oxygen.

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protist eukaryotes that are not plants, animals, or fungi ("misfits")

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products