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Important Questions on Molecular Basis of Inheritance

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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Explain the mechanism of translation that occurs in the ribosomes in a prokaryote.
EASY
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation

Match the animals of Column I with Column II and select the correct options among the following:

  Column- I   Column- II
1. DNA replication I RNA polymerase
2. Translation II DNA polymerase
3. Translation III Reverse transcriptase
4. Transcription IV Aminoacyl synthetase

Select the code for the correct answer from the options given below.

EASY
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Arrange the following events of the replication of DNA. Choose the correct alternative?
(i) Bonds between complementary bases breaks.
(ii) Bonds between complementary bases forms.
(iii) DNA molecules are uncoiled.
(iv) Opposite strands separate.
(v) Sugar phosphate bonds form.
(vi) Free nucleotides align with the complementary nucleotides on each strand.
HARD
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Describe the semiconservative method of DNA replication with diagram.
HARD
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Which one of the following is wrongly matched?
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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation

Give the plausible explanation for the following:

The two strands in DNA are not identical but are complementary.

EASY
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
X-ray studies show that there are approximately amino acids for each turn in the helix.
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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Describe the mechanism of DNA replication with a suitable diagram.
EASY
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
E. coli has only 4.6×106 base pairs and completes the process of replication within 18 minutes; then the average rate of polymerisation is approximately:
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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
The transfer RNA anticodon for the messenger RNA codon G-C-A is
HARD
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Diagrammatically express the Watson Crick's semiconservative models of DNA replication.
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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
During DNA replication, Okazaki fragments are used to elongate:
EASY
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
The reason for the double helical structure of DNA is due to the presence of
HARD
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation

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Write a possible RNA strand that can be transcribed from the above DNA molecule formed.

MEDIUM
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Explain briefly the process of translation in prokaryotes.
HARD
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Choose the correct option for the enzymes involved in the replication of DNA. 
HARD
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Define transcription. Explain the process of transcription in bacteria with suitable diagram.
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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Which one of the following will be the ratio of heavy, intermediate and light bands in Meselson and Stahl's experiment after two generations if DNA replication were conservative?
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Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
Select the correct option:
EASY
Biology>Molecular Biology>Molecular Basis of Inheritance>Translation
A mixture of equal numbers of fast and slow dividing cells is cultured in medium containing a trace amount of radioactively labeled thymidine for one hour. The cells are then transferred to regular (unlabeled) medium. After 24hrs of growth in regular media