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Biochemistry quiz - Nucleic acids

An illustration of DNA and RNA structures with labels for nitrogenous bases, highlighting the differences between them.

Nucleic Acids Biochemistry Quiz

Test your knowledge of nucleic acids with our comprehensive quiz designed for biochemistry enthusiasts! Dive into the fascinating world of nucleotides, DNA, RNA, and their structures.

This quiz covers:

Nucleosides and Nucleotides
Base Pairing Rules
Chemical Structures
Differences between DNA and RNA

10 Questions2 MinutesCreated by ExploringMolecule47

A nucleoside consists of

Nitrogenous base

Purine or pyrimidine base + sugar

Purine or pyrimidine base + phosphorous

Purine or pyrimidine base + sugar + phosphorous

A Purine nucleotide is

AMP

UMP

CMP

TMP

2,4-Dioxypyrimidine is

Thymine

Cytosine

Uracil

Guanine

The nucleic acid base found in mRNA but not in DNA is

Adenine

Cytosine

Thymine

Uracil

The chemical name of guanine is

2,4-Dioxy-5-methylpyrimidine

2-Amino-6-oxypurine

2-Oxy-4-aminopyrimidine

2,4-Dioxypyrimidine

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

In RNA molecule

G=C

A=U

A=G

None of the above

The width (helical diameter) of the double helix in B form DNA in nm is

0.34

In a DNA molecule, the guanosine content is 40%, the adenine content will be

10%

20%

30%

40%

In DNA, three hydrogen bonds are formed between

Adenine and guanine

Adenine and thymine

Guanine and Cytosine

Cytosine and Thymine

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