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Amino acids which are specified by single codons are

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Important Questions on Molecular Basis of Inheritance

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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 28
In a DNA molecule, the phosphate group is attached to           carbon of the sugar residue of its own nucleotide and            carbon of the sugar residue of the next nucleotide by                              bonds.
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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 29

DNA replication is

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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 30
Nucleosomes consist of all except ________ .
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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 31
In eukaryotes, the process of processing of primary transcript involves
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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 32

DNA replication is

A. Polymerization of nucleotides by DNA–dependent DNA polymerase activity

B. Energetically very expensive process

C. Polymerization of ribonucleotides in 5' – 3’ direction

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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 33

Given diagram is the representation of a certain event. Identify this event.

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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 34
Which of the following statements are incorrect?
(i) RNA act as a genetic material as well as a catalyst.
(ii) RNA is more stable than DNA.
(iii) RNA has evolved from DNA.
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Biology Crash Course NEET>Chapter 28 - Molecular Basis of Inheritance>Level 2>Q 35

Read the following statements, and select the correct option.

A. Packaging of chromatin at a higher level requires an additional set of proteins that are collectively referred to as non-histone chromosomal proteins.

B. Heterochromatin is transcriptionally active.