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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