Q1. Which amino acid contributes to the yellow color of some proteins?A. GlycineB. TyrosineC. CysteineD. Lysine
Q3. Which nucleic acid base is a pyrimidine with a methyl group?A. ThymineB. UracilC. CytosineD. Adenine
Q7. What type of structure is disrupted during protein denaturation?A. PrimaryB. QuaternaryC. TertiaryD. Peptide linkage
Q8. Which enzyme hydrolyzes sucrose into glucose and fructose?A. LactaseB. InvertaseC. MaltaseD. Amylase
Q9. Which vitamin enhances the absorption of iron in the intestine?A. Vitamin CB. Vitamin DC. Vitamin B₆D. Vitamin E
Q10. Which monosaccharide forms a pentaacetate when reacted with acetic anhydride?A. GlucoseB. FructoseC. RiboseD. Sucrose