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Nucleic Acids – Multiple Choice Questions (Set 1)

October 7, 2018February 3, 20190272

Q.) A nucleotide consists of

Purine + pyrimidine base + sugar + phosphorous

Purine or pyrimidine base + sugar

Purine or pyrimidine base + phosphorous

A nitrogenous base like choline

Q.) A nucleoside consists of

Nitrogenous base

Purine + pyrimidine base + sugar + phosphorous

Purine or pyrimidine base + sugar

Purine or pyrimidine base + phosphorous

Q.) The chemical name of guanine is

2,4-Dioxy-5-methylpyrimidine

2, 4-Dioxypyrimidine

2-Oxy-4-aminopyrimidine

2-Amino-6-oxypurine

Q.) A purine nucleotide is

TMP

AMP

CMP

UMP

Q.) 2, 4-Dioxypyrimidine is

Thymine

Cystosine

Uracil

Guanine

Q.) A pyrimidine nucleotide is

GMP

AMP

CMP

IMP

Q.) Adenine is

2-Amino-6-oxypurine

2-Oxy-4-aminopyrimidine

6-Amino purine

2, 4-Dioxypyrimidine

Q.) Nucleotides and nucleic acids concentration are often also expressed in terms of

OD at 260 nm

meq

Q.) The pyrimidine nucleotide acting as the high energy intermediate is

UDPG

UTP

ATP

CMP

Q.) The carbon of the pentose in ester linkage with the phosphate in a nucleotide structure is

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