Class XII · Biology practice

Molecular Basis of Inheritance MCQs

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668 questions in this collection · Page 51 of 67

Question 501 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

A nucleosome contains _______ molecules of histones.
The core is an octamer (8).
Question 502 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

Histone H1 is associated with _______
H1 binds to linker DNA.
Question 503 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The number of hydrogen bonds between G and C is _______
G-C has 3 hydrogen bonds.
Question 504 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

DNA synthesis occurs during _______ phase.
DNA synthesis is S phase.
Question 505 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The enzyme used to join DNA fragments is _______
Ligase joins fragments.
Question 506 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

Okazaki fragments are joined by _______
Ligase joins Okazaki fragments.
Question 507 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

RNA primer is removed by _______
Pol I removes RNA primers.
Question 508 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

During DNA replication, the strands separate by _______
Helicase separates strands.
Question 509 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

The enzyme that cuts DNA at specific sites is _______
Restriction enzymes cut at specific sites.
Question 510 of 668
📘 CLASS XII

Molecular Basis Of Inheritance

_______ is used as a vector for cloning large DNA fragments.
BACs clone large fragments.
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