8. The brick red color formed in a positive result of Benedict's test comes from A. the oxidation of copper ions B. the reduction of copper ion C. the reduction of carbonyl group D. the oxidation of...

ans. Q9,10,11

Extracted text: 8. The brick red color formed in a positive result of Benedict's test comes from A. the oxidation of copper ions B. the reduction of copper ion C. the reduction of carbonyl group D. the oxidation of carboxyl group E. the breakdown of glycosidic linkage 9. The following molecule is a но H Н-С—N — С H H H H-N-C -C-0-P-0-C -H H H H H A. triacylglycerol B. steroid hormone C. phospholipid D. o-6 fatty acid E. cholesterol 10. Which of the following statements about nucleic acid is INCORRECT? A. Coenzyme A is a protein, not nucleic acid B. NAD is an example of nucleic acid C. Adenine base is the same in ribonucleotide and deoxyribonucleotide D. Helix is an example of the secondary structure of nucleic acid E. Hydrogen bond can be found in DNA 11. The nucleoside consists of a D-deoxyribose and a cytosine base is called A. cytidine B. deoxycytidine C. deoxycytidylate D. deoxyribosylcytosine E. deoxyribosylcytidine