Micro Quiz 3

Which of the following is a role of hydrophobic interactions in proteins?

• Protein degradation

• Protein synthesis

• Protein conformation

• Protein transport

What percentage of a cell's dry weight is composed of macromolecules?

• 85%

• 90%

• 95%

• 100%

What is the percentage of lipid in the dry weight of a prokaryotic cell?

• 7.1%

• 8.1%

• 9.1%

• 10.1%

What important roles do polysaccharides play in cells?

• Only in cell walls

• Only as storage molecules

• In cell walls and as storage molecules

• As enzymes

How many carbon atoms do most biologically relevant carbohydrates contain?

• 2-4

• 4-7

• 6-9

• 8-10

Which sugar is part of the backbone of RNA?

• Deoxyribose

• Fructose

• Ribose

• Glucose

What type of bond links monomeric sugars (monosaccharides)?

• Peptide bonds

• Glycosidic bonds

• Hydrogen bonds

• Ionic bonds

What is the process called that forms glycosidic bonds?

• Hydrolysis reaction

• Condensation reaction

• Oxidation reaction

• Reduction reaction

What are trisaccharides?

• Carbohydrates containing three monosaccharides

• Carbohydrates containing two monosaccharides

• Extremely long-chain carbohydrates

• Carbohydrates containing several monosaccharides

What is a glycolipid?

• A polysaccharide with proteins

• A polysaccharide with lipids

• A carbohydrate containing three monosaccharides

• A single unit carbohydrate