DNA fragments are

(1) positively charged

(2) negatively charged

(3) neutral

(4) either positively or negatively charged depending on their size

Subtopic:  The DNA |
 90%
From NCERT
NEET - 2017
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During DNA replication, Okazaki fragments are used to elongate

(1) The leading strand towards replication fork

(2) The lagging strand towards replication fork

(3) The leading strand away from replication fork

(2) The lagging strand away from replication fork

Subtopic:  DNA Replication:III | DNA Replication |
 55%
NEET - 2017
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Spliceosomes are not found in cells of 

(1) plants

(2) fungi

(3) animals 

(4) bacteria

Subtopic:  Transcription: IV | Transcription |
 69%
NEET - 2017
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The final proof for DNA as the genetic material come from the experiments of 

1. Griffith

2. Hershey and chase 

3. Avery, Macleod and McCarty 

4.  Hargobind Khorana 

Subtopic:  Search for Genetic Material:I | Search for Genetic Material: II | Search for Genetic Material |
 85%
From NCERT
NEET - 2017
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The association of histone H1 with a nucleosome indicates 

(1) transcription is occuring

(2) DNA replication is occuring

(3) the DNA is condensed into chromatin fibre

(4) the DNA double helix is exposed

Subtopic:  DNA Packaging |
 85%
From NCERT
NEET - 2017
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Which of the following RNAs should be most abundant in animals cell ?

(1) rRNA

(2) tRNA

(3) mRNA

(4) miRNA

Subtopic:  Transcription: III | Transcription |
 63%
NEET - 2017
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Taylor conducted the experiments to prove semi-conservative mode of chromosome replication on

(1) Vinca rosea

(2) Vicia faba

(3) Drosophila melanogaster

(4) E. coli

Subtopic:  DNA Replication: I | DNA Replication |
 84%
From NCERT
NEET - 2016
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The equivalent of a structural gene is

(1) muton

(2) cistron

(3) operon

(4) recon

Subtopic:  Transcription: III | Transcription |
 82%
From NCERT
NEET - 2016
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Which of the following rRNAs act as structral RNA as well as ribozyme in bacteria ?

(1) 5 srRNA

(2) 18 srRNA

(3) 23 srRNA

 (4) 58 srRNA

 

Subtopic:  Translation Mechanism |
 76%
From NCERT
NEET - 2016
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DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the 

(1) template strand

(2) coding strand

(3) alpha strand

(4) anti strand

Subtopic:  Transcription:II | Transcription |
 81%
From NCERT
NEET - 2016
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