Below are three examples of chemical reactions in which biomolecules are synthesized and degraded. For each example, decide which side of the chemical equation represents monomers and which side represents polymers. Then, decide which direction arrow represents a dehydration reaction and which represents a hydrolysis reaction. Labels will be used more than once.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

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1. amino acid refers to the fundamental building block of proteins, comprising of an amino group and a carboxyl group.

2. catalyst refers to any substance, which increases the rate of chemical reaction without being used up in the reaction.

3. a complex molecule containing he genetic code is dna or deoxyribonucleic acid.

4. an enzyme refers to a molecule of protein, which is unique in accelerating up a particular chemical reaction in the biological systems.

5. nucleic acid refers to an sequence of sugars, phosphates, and nitrogenous bases, for example, dna and rna.

6. a protein refers to a large, composite organic molecule comprising of a huge number of amino acids associated together with the of peptide bonds.

7. rna refers to a nucleic acid that takes part in the production of proteins.

8. substrate refers to a compound, which takes part in a chemical reaction, and is chemically modified by the reaction.