Biochemistry Quiz

What is the chemical formula for glucose, a hexose sugar?

• C₆H₁₂O₆

• C₅H₁₀O₅

• C₄H₈O₄

• C₃H₆O₃

Which of the following is a disaccharide composed of glucose and fructose?

• Sucrose

• Lactose

• Maltose

• Cellulose

What type of bond is involved in the synthesis and breakdown of disaccharides and polysaccharides?

• Glycosidic bond

• Peptide bond

• Hydrogen bond

• Ionic bond

What is the chemical formula for a hexose sugar?

• C₃H₆O₃

• C₅H₁₀O₅

• C₆H₁₂O₆

• C₄H₈O₄

Which of the following is an example of a pentose sugar?

• Glucose

• Ribose

• Glyceraldehyde

• Sucrose

What type of sugar is glyceraldehyde classified as?

• Hexose

• Pentose

• Triose

• Disaccharide

What is the process called when a disaccharide is broken down by the formation and breakage of glycosidic bonds?

• Hydrolysis

• Dehydration synthesis

• Oxidation

• Reduction

What is the function of Na⁺ ions?

• Nerve impulse transmission and kidney function

• Production of nitrate ions by bacteria

• Component of nucleic acids

• Balancing positive charge of Cl⁻ ions

What is the function of Cl⁻ ions?

• Nerve impulse transmission and kidney function

• Balancing positive charge of Na⁺ and K⁺ ions in cells

• Component of nucleic acids

• Production of nitrate ions by bacteria

Which ion is involved in neurotransmission and muscle contraction?

• NH₄⁺

• PO₄³⁻

• Ca²⁺

• Cl⁻