HARD
12th Tamil Nadu Board
IMPORTANT
Earn 100

Name the anticodon required to recognise the following codons: AAU, CGA, UAU, and GCA.

Important Questions on Molecular Genetics

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 30

Identify the figure given below.

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HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 30

Redraw the structure as a replicating fork and label the parts.

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MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 30
Write the source of energy for the replication and name the enzyme involved in this process.
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 30
Mention the differences in the synthesis of protein, based on the polarity of the two template strands of DNA.
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 31
If the coding sequence in a transcription unit is written as follows: 
5’ TGCATGCATGCATGCATGCATGCATGC 3' 
Write down the sequence of mRNA.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 32
How is the two stage process of protein synthesis advantageous?
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 33
 Why did Hershey and Chase use radioactively labelled phosphorous and sulphur only? Would they have got the same result if they use radiolabelled carbon and nitrogen?
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 5 - Molecular Genetics>Evaluation>Q 34
Explain the formation of a nucleosome.