Biochemistry of Carbohydrates Quiz

What is the empirical formula for carbohydrates?

• C_n(H2O)_m

• C_n(H2O)_n

• C_m(H2O)_m

• C_m(H2O)_n

Which of the following is a disaccharide?

• Galactose

• Glucose

• Fructose

• Sucrose

What type of sugar is glyceraldehyde classified as?

• Disaccharide

• Oligosaccharide

• Aldose

• Ketose

Which configuration does D-sugar have?

• No OH group

• Only carbonyl group

• OH group on the right

• OH group on the left

What is the primary function of glycogen in the body?

• Energy storage

• Structural support

• Cell signaling

• Hormone production

Which enzyme catalyzes the conversion of glucose to glucose 6-phosphate?

• Lactate dehydrogenase

• Hexokinase

• Phosphofructokinase

• Glucokinase

What is the end product of anaerobic glycolysis in muscle cells?

• Pyruvate

• Lactate

• Acetyl-CoA

• Glucose

Which type of bond links monosaccharides to form disaccharides?

• Glycosidic bonds

• Hydrogen bonds

• Ionic bonds

• Peptide bonds

What is the role of phosphofructokinase in glycolysis?

• Converts pyruvate to lactate

• Regulates the rate of glycolysis

• Inhibits glycolysis

• Catalyzes the formation of glucose 6-phosphate

Which of the following is a nonreducing sugar?

• Sucrose

• Lactose

• Glucose

• Maltose