Topic 15: Carbohydrates

What is the primary structural component of polysaccharides?

• Amino acids

• Monosaccharides

• Fatty acids

• Nucleotides

Which of the following is a common function of N-linked glycoproteins?

• Energy storage

• Cell-cell recognition

• Hormone regulation

• DNA replication

O-linked glycoproteins are primarily involved in which of the following roles?

• Structural support

• Enzyme catalysis

• Protein folding

• Signal transduction

What is a characteristic feature of S-linked glycoproteins?

• They are linked through serine residues.

• They are linked through threonine residues.

• They are linked through cysteine residues.

• They are linked through asparagine residues.

• Oxidation

• Reduction

• Isomerization

• Hydrolysis

Which method is commonly used for carbohydrate classification?

• By their solubility in water

• By the number of carbon atoms

• By their melting point

• By their boiling point

• The type of glycosidic bond

• The position of the hydroxyl group on the anomeric carbon

• The number of carbon atoms

• The presence of a phosphate group

Which of the following is a polysaccharide?

• Glucose

• Sucrose

• Cellulose

• Fructose

N-linked glycoproteins are attached to which amino acid residue?

• Serine

• Threonine

• Asparagine

• Cysteine

Which of the following is a common role of O-linked glycoproteins in the body?

• Energy storage

• Immune response

• Structural integrity

• Hormone activity