Macromolecules: Lipids, Carbohydrates, and Nucleic Acids

This is an MCQ-based quiz for GRE on the topic of Macromolecules.

This includes the macromolecules which are assembled by joining several smaller units, called monomers, together through a chemical reaction called dehydration synthesis.

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What is the difference between the alpha and beta forms of a monosaccharide?

The direction all hydroxyl groups point in the ring The orientation of the hydroxyl group on the anomeric carbon The number of carbons in the ring Whether the monosaccharide is an aldose or a ketose

Two monosaccharides can be linked together to form a disaccharide. This linkage is known as a __________ bond.

Glycosidic Hydrogen bond Ionic Peptide Phosphodiester

Glycogen and starch are polysaccharides connected through __________ linkages, and cellulose is connected via __________ linkages.

beta . . . gamma beta . . . alpha alpha . . . gamma alpha . . . beta alpha . . . alpha

Which polysaccharide is the primary form of energy storage in plants?

Cellulose Starch Glycogen Peptidoglycan

What factor determines whether humans are capable of digesting a polysaccharide?

The number of monomers in the polysaccharide The branching pattern of the polysaccharide The number of carbons in the carbohydrate The linkage between monomers

A phospholipid contains which of the following components? I. Fatty acids II. Phosphate III. Sulfate IV. Glycerol

I, III, and IV II and IV I, II, and IV I and II I and IV

Fatty acids can vary in length. Which of the following fatty acids chains cannot not be synthesized in the human body?

A twenty-four-carbon fatty acid chain A twelve-carbon fatty acid chain A nineteen-carbon fatty acid chain A fourteen-carbon fatty acid chain An eighteen-carbon fatty acid chain

Which of the following requires a carrier protein in order to be transported through the bloodstream?

Glycine Steroid Sucrose ATP

Which of the following molecules is amphipathic?

Triglyceride Glutamate Maltose Phospholipid

Which of the following lipid classifications has the primary purpose of storing energy for the body?

Glycolipids Sterols Glycerophospholipids Glycerolipids

Quiz/Test Summary

Title: Macromolecules: Lipids, Carbohydrates, and Nucleic Acids

Questions: 10

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