A reaction builds polymers from monomers. 2. A reaction breaks down polymers into monomers. 3. A(n) is a building block of polypeptides, such as the protein hemoglobin. 4. A(n) is a polymer of amino acids. 5. A(n) is a building block of polysaccharides such as starch. 6. A(n) is a polymer of monosaccharides. 7. A(n) is a building block of polynucleotides such as DNA. 8. A(n) is a polymer of nucleotides.

The question is incomplete, it lacks the terms. Those terms are:

1. Dehydration

2. Hydrolysis

3. Amino acid

4. Polypeptide

5.Monosaccharide

6. Polysaccharide

7. Nucleotides

8. Polynucleotides

Explanation:

1. Dehydration is the act of removing water from a molecule. It involves joining two simple molecules together to form a complex one by removing water from their molecules in order to enhance condensation.

2. Hydrolysis is the break down of a complex molecule into much simpler molecules by reacting them with water.

3. Polypeptides are proteins, which are polymers made up of building blocks called amino acid, which forms a sequence.

4. Amino acid are monomers of biochemical structures called proteins. They join together by peptide bond to form the protein molecule.

5. Polysaccharides are complex carbohydrates made up of simpler ones called monosaccharides e.g glucose. These monosaccharides are linked together by glycosidic bonds to form polysaccharides.

6. Monosaccharides are simple carbohydrates that join together by certain bonds to form more complex carbohydrates called POLYSACCHARIDES e.g starch, cellulose.

7. Polynucleotides are biochemical polymers of nucleotides, which contains phosphate group, pentose sugar and nitrogenous bases.

8. Polynucleotides such as DNA and RNA are made from simpler units called nucleotides joined together by hydrogen bonds.

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