The sugar in RNA is __________ , the sugar in DNA is __________ ribose, deoxyribose ribose, phosphate deoxyribose, ribose ribose, uracil TRUE ANSWER : ? YOUR ANSWER : ?
A nucleotide consists of paired bases a sugar and a phosphate a sugar, a base and three phosphates a sugar, a base and a phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Nucleoside is a pyrimidine or purine base hydrogen bonded to a sugar covalently bonded to a sugar None of these ionically bonded to a sugar TRUE ANSWER : ? YOUR ANSWER : ?
Nucleic acids can be analyzed experimentally by their molecular weight absorption of visible light absorption of uv light none of these TRUE ANSWER : ? YOUR ANSWER : ?
Nucleotide bases and aromatic amino acids absorb light respectively at 260 and 280 nm 270 and 280 nm 280 and 260 nm 260 and 270 nm TRUE ANSWER : ? YOUR ANSWER : ?
Thymidine normally forms two hydrogen bonds with adenosine All of these is replaced by uracil in RNA can participate in hydrophobic interactions due to its methyl group TRUE ANSWER : ? YOUR ANSWER : ?
The most stabilizing force for nucleic acids is conformational entropy hydrogen bonds Van der Waals electrostatic bond TRUE ANSWER : ? YOUR ANSWER : ?
Because DNA is a highly charged polyanion, its stability to heat denaturation is independent of G - C content increases with increasing salt decreases with increasing salt does not depend on hydrophobic interactions TRUE ANSWER : ? YOUR ANSWER : ?
A purine with an amine (NH2) group on the 6th carbon is thymine cytosine guanine adenine TRUE ANSWER : ? YOUR ANSWER : ?