’-deoxyribose . In aqueous solution of amino acids mostly exists in, a) NH -CH(R)-COOH b) NH -CH(R)-COO - c) H N + -CH(R)-COOH d) H N + -CH(R)-COO - . Which one of the following is not produced by body? a) DNA b) Enzymes c) Harmones d) Vitamins .
The number of sp2 and sp3 hybridised carbon in fructose are respectively a) and b) and c) and d) and . Vitamin B2 is also known as a) Riboflavin b) Thiamine c) Nicotinamide d) Pyridoxine . The pyrimidine bases present in DNA are a) Cytosine and Adenine b) Cytosine and Guanine c) Cytosine and Thiamine d) Cytosine and Uracil . Among the following L-serine is a) b) c) d) .
The secondary structure of a protein refers to a) fixed configuration of the polypeptide backbone b) hydrophobic interaction c) sequence of α -amino acids d) α -helical backbone. XII XII - - - - . Which of the following vitamins is water soluble? a) Vitamin E b) Vitamin K c) Vitamin A d) Vitamin B .
Complete hydrolysis of cellulose gives a) L-Glucose b) D-Fructose c) D-Ribose d) D-Glucose . Which of the following statement is not correct? a) Ovalbumin is a simple food reserve in egg-white b) Blood proteins thrombin and fibrinogen are involved in blood clotting c) Denaturation makes protein more active d) Insulin maintains the sugar level of in the human body. .
Glucose is an aldose. Which one of the following reactions is not expected with glucose? a) It does not form oxime b) It does not react with Grignard reagent c) It does not form osazones d) It does not reduce tollens reagent . If one strand of the DNA has the sequence ‘ATGCTTGA’, then the sequence of complementary strand would be a) TACGAACT b) TCCGAACT c) TACGTACT d) TACGRAGT .
Insulin, a hormone chemically is a) Fat b) Steroid c) Protein d) Carbohydrates . α -D (+) Glucose and β -D (+) glucose are a) Epimers b) Anomers