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Chapter_5_Review_Questions_for_test - Chapter 5 Review...

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Chapter 5 Review questions for Biology 1. Cellulose is a _____ made of many _____. a. polypeptide . . . monomers b. carbohydrate . . . fatty acids c. polymer . . . glucose moleculesd. protein . . . amino acidse. lipid . . . triglycerides 2. In a hydrolysis reaction, _____, and in this process water is _____ . a. a polymer breaks up to form monomers . . . consumed b. a monomer breaks up to form polymers . . . produced c. monomers are assembled to produce a polymer . . . consumed d. monomers are assembled to produce a polymer . . . produced e. a polymer breaks up to form monomers . . . produced 3. The four main categories of macromolecules in a cell are a. proteins, DNA, RNA, and steroids. b. monosaccharides, lipids, polysaccharides, and proteins. c. proteins, nucleic acids, carbohydrates, and lipids. d. nucleic acids, carbohydrates, monosaccharides, and proteins. e. RNA, DNA, proteins, and carbohydrates. 4. The characteristic that all lipids have in common is that 5. Why does the enzyme amylase break down starch but not cellulose? 6. In some places a protein molecule may coil or fold back on itself. This is called _____ and the coils or folds are held in place by _____. a. tertiary structure . . . hydrogen bondsb. primary structure . . . covalent bonds c. secondary structure . . . peptide bondsd. tertiary structure . . . covalent bonds e. secondary structure . . . hydrogen bonds 7. A hydrophobic amino acid R group would be found where in a protein? 8. The overall three-dimensional shape of a polypeptide is called the a. double helix.b. primary structure.c. secondary structure.d. tertiary structure. e. quaternary structure.
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