Biochemistry Archives | Page 15 of 102

Different DNA polymerases play distinct roles in DNA replication and repair in both prokaryotic and eukaryotic cells. All known DNA polymerases synthesize DNA only in the __________ by the addition of dNTPs to a performed primer strand of DNA.

July 26, 2022 by admin

Question: Different DNA polymerases play distinct roles in DNA replication and repair in both prokaryotic and eukaryotic cells. All known DNA polymerases synthesize DNA only in the __________ by the addition of dNTPs to a performed primer strand of DNA.
[A].

positive direction

[B].

3′ to 5′ direction

[C].

5′ to 3′ direction

[D].

negative direction

Answer: Option C

Explanation:

No answer description available for this question.

For gene transfer to be effective, transforming DNA must be

July 26, 2022 by admin

Question: For gene transfer to be effective, transforming DNA must be
[A].

incorporated into the bacterial chromosome

[B].

incorporated into a viral genome

[C].

free in the bacterial cytoplasm

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Bacteriophages are

July 26, 2022 by admin

Question: Bacteriophages are
[A].

cells in the blood that eat bacteria

[B].

a class of bacteria

[C].

bacterial viruses

[D].

none of the above

Answer: Option C

Explanation:

No answer description available for this question.

DNA fragments in a restriction digest can be separated by electrophoresis in

July 26, 2022 by admin

Question: DNA fragments in a restriction digest can be separated by electrophoresis in
[A].

poly acrylamide

[B].

agarose gel

[C].

both (a) and (b)

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Additional mono saccharides are added in Golgi to produce

July 26, 2022 by admin

Question: Additional mono saccharides are added in Golgi to produce
[A].

either high mannose type oligosaccharide or a complex type

[B].

either fructose type monosaccharide or a complex type

[C].

either high sucrose type polysaccharide or a complex type

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Bactriophages absorb to a bacterial surface and inject the phage DNA through the

July 26, 2022 by admin

Question: Bactriophages absorb to a bacterial surface and inject the phage DNA through the
[A].

cell wall into cytosol

[B].

cell wall into plasmamembrane

[C].

both (a) and (b)

[D].

cell wall into endoplasmic reticulum

Answer: Option A

Explanation:

No answer description available for this question.

Genomic libraries are made from

July 26, 2022 by admin

Question: Genomic libraries are made from
[A].

genomic DNA of an organism

[B].

genomic RNA of an organism

[C].

genomic cDNA of an organism

[D].

genomic mRNA of an organism

Answer: Option A

Explanation:

No answer description available for this question.

Double stranded DNA denaturation with specified limit of temperature is

July 26, 2022 by admin

Question: Double stranded DNA denaturation with specified limit of temperature is
[A].

reversible reaction

[B].

irreversible reaction

[C].

either (a) or (b)

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Northern blotting is

July 26, 2022 by admin

Question: Northern blotting is
[A].

widely different than southern blotting

[B].

another name for southern blotting

[C].

analogous to southern blotting

[D].

none of the above

Answer: Option C

Explanation:

No answer description available for this question.

In a PCR reaction after four cycles, each molecule of a duplex DNA will give rise to

July 26, 2022 by admin

Question: In a PCR reaction after four cycles, each molecule of a duplex DNA will give rise to
[A].

16 single strands of DNA

[B].

16 double stranded DNA

[C].

18 single strands of DNA

[D].

18 double stranded DNA

Answer: Option A

Explanation:

No answer description available for this question.