1) What are the monomers of carbohydrates? a) Amino acids b) Monosaccharides c) Fatty acids d) Nucleotides 2) Which macromolecule is an enzyme? a) Carbohydrate b) Protein c) Lipid d) Nucleic acid 3) What is the main function of lipids? a) Store energy b) Speed reactions c) Genetic info d) Quick energy 4) Which is not a lipid? a) Wax b) Steroid c) Cellulose d) Oil 5) Nucleic acids include: a) DNA b) RNA c) ATP d) Glucose 6) What is the primary structure of a protein? a) Alpha helix b) Beta sheet c) Amino acid sequence d) Peptide bond 7) Which is a polysaccharide? a) Glucose b) Fructose c) Starch d) Ribose 8) Saturated fats have: a) No double bonds b) One double bond c) Many double bonds d) Phosphate groups 9) What bonds link amino acids? a) Hydrogen bonds b) Ionic bonds c) Peptide bonds d) Covalent bonds 10) Which is a function of proteins? a) Energy storage b) Signal molecules c) Insulation d) Hereditary info 11) Which molecule is a carbohydrate? a) Cholesterol b) Glycogen c) Hemoglobin d) Insulin 12) Lipids are soluble in: a) Water b) Oil c) Vinegar d) Alcohol 13) RNA's sugar is: a) Deoxyribose b) Ribose c) Glucose d) Fructose 14) Which is a structural protein? a) Keratin b) Amylase c) Lactase d) Insulin 15) DNA's function is to: a) Store energy b) Store genetic info c) Catalyze reactions d) Provide insulation

Macromolecules: Structure and Function

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