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12th Tamil Nadu Board
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Which of the following statements about DNA replication is not correct?

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Important Questions on Molecular Genetics

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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 9
Which of the following statements is not true about DNA replication in eukaryotes?
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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 10
The first codon to be deciphered was  _____ which codes for _____.
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12th Tamil Nadu Board
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Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 11
Meselson and Stahl’s experiment proved       
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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 13
An operon is a
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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 14
When lactose is present in the culture medium:
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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 15
Give reasons: Genetic code is ‘universal’.
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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 16

Name the parts marked ‘A’ and ‘B’ in the given transcription unit:

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12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 17
Differentiate Leading strand and lagging strand.