Macromolecules

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1. Which of the following would most likely qualify as a macromolecule?
Protein
DNA
RNA
Cellulose
All of the above
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2. Which of the following is NOT a carbohydrate
Glucose
Sucrose
Glycine
Cellulose
Glycogen
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3. Proteins, which are tremendously complex molecules, all use as their basic units or building blocks:
Carbohydrates
NH2
Polypeptides
Amino acids
None of the above
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4. The primary structure of a protein involves:
Disulfide linkages
Peptide bonds
Hydrogen bonds
Hydrophobic forces
None of the above
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5. The chemical union of the basic units of carbohydrates, lipids, or proteins always produces the biproduct:
Energy
Carbon
Water
Acid
None of the above
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6. Which of the follownig explains why sterols (or steriods) are considered to be lipids?
They contain fatty acids
They are used as storage fats
They are lipid soluble
They are rich in hydrogen
None of the above
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7. When disaccharides are changed to monosaccharides, the common chemical process involved is:
hydration
hydrolysis
digestion
activation
dehydration
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8. Saturated fats:
Have many double bonds
Have no double bonds
Tend to be oily
Are associated with heart disease
electrostatic charges
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9. Polymers of polysaccharides, fats, and proteins are all synthesized from monomers by:
Connecting monosaccharides together
The addition of water to each monomer
The removal of water (dehydration synthesis)
Ionic bonding of the monomers
The formation of disulfide bridges between monomers
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10. Which of the following, when it fails to occur, is the chemical basis for a metabolic syndrome in which the body fails to breakdown fatty acids?
Peptide Bonding
Polymerization
Hydrogen Bonding
Dehydration synthesis
Oxidation
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