Tag: molecular biology

Questions Related to molecular biology

Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Which is correct for ADP?

Two high energy bonds
One high energy bond
Three high energy bonds
None of the above

Reveal answer Fill a bubble to check yourself

Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Molecule of ATP is structurally similar to the molecule of

DNA
RNA
protein
AMP

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Enzyme required during DNA replication is

DNA polymerase
DNA ligase
Both A and B
Sigma factor

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Length of one coil of B-DNA helix is

0.34 nm
3.4 nm
10nm
20nm

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Double stranded DNA virus with 20,000 base pairs has nucleotides

20,000
10,000
666
40,000

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Hargobind Khorana is known for

Discovery of DNA
Discovery of DNA ligase
Discovery of tRNA
Synthesis of proteins

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Coded information in nucleic acid depends upon

Arrangement of nucleotides
Position of nucleotides
Number of nucleotides
All the above

Reveal answer Fill a bubble to check yourself

Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Special unwinding enzyme that breaks hydrogen bonds between the two strands of DNA is

Primase
Topoisomerase
DNA polymerase
Helicase
DNA ligase

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Nucleotide pairs present in one turn of DNA helix

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Multiple choice structure of dna and rna nucleic acids and polynucleotides nucleic acids and protein synthesis molecular biology biology

Select correct/incorrect functions
1.Ligase - joins short DNA segments
2.DNA Polymerase - Cuts DNA at specific sites
3.Helicase-Breaks H-bonds between complementary DNA strands

1, 2 and 3 correct
1 correct, 2 and 3 false
1 and 3 correct, 2 false
1 and 2 correct, 3 false

Reveal answer Fill a bubble to check yourself

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