During DNA packaging in eukaryotic cells, Non-Histone Chromosomal proteins:

1. Are not required
2. Are required from the beginning to the end of the packaging
3. Are required only for earlier stages of packaging
4. Are required for a higher level of packaging

Subtopic:  DNA Packaging |
 81%
From NCERT
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Histones are:

1. Positively charged and basic amino acids
2. Negatively charged and basic proteins
3. Positively charged and acidic proteins
4. Not found in bacteria

Subtopic:  DNA Packaging |
From NCERT
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Reverse transcriptase is a:

1. DNA-dependent RNA polymerase
2. RNA-dependent DNA polymerase
3. RNA-dependent RNA polymerase
4. DNA-dependent DNA polymerase

Subtopic:  DNA Replication |
 77%
From NCERT
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The density gradient in Meselson and Stahl's experiment was of:

1. NH4Cl 2. CsCl
3. KCl 4. BaCl2
Subtopic:  DNA Replication |
 84%
From NCERT
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Who suggested that the genetic code should be made of three nucleotides?

1. Gamow  2. Severo Ochoa
3. Hargobind Khorana 4. Marshall Nirenberg

Subtopic:  Genetic Code: I | Genetic Code: II | Genetic Code: III |
 72%
From NCERT
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In eukaryotes RNA polymerase II transcribes:

1. mRNA 2. rRNA
3. tRNA 4. hnRNA

Subtopic:  Transcription: I |
 70%
From NCERT
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Which of the following anticodons will hybridize with the mRNA codon 5’ – AUG – 3’?

1. 5’ – UAC – 3’ 2. 5’ – TAC – 3’
3. 3’ – UAC – 5’ 4. 3’ – TAC – 5’
Subtopic:  Translation |
 72%
From NCERT
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Some amino acids are coded by more than one codon. Hence genetic code is:

1. Unambiguous 2. Non-specific
3. Degenerate 4. Universal

Subtopic:  Genetic Code |
 74%
From NCERT
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Prior to the work of Avery, Macleod, and McCarty, the genetic material was thought to be:

1. DNA 2. RNA
3. Protein 4. Nucleotide

Subtopic:  Search for Genetic Material |
 77%
From NCERT
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The length of DNA in a typical mammalian cell is approximately:

1.1.1 meter2.1.5 meter
3.2.2 meter4.3.3 meter

Subtopic:  DNA Packaging |
 91%
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