Tamil Nadu Board Solutions for Exercise 1: Evaluation

Author:Tamil Nadu Board

Tamil Nadu Board Biology-Zoology Solutions for Exercise - Tamil Nadu Board Solutions for Exercise 1: Evaluation

Attempt the free practice questions from Exercise 1: Evaluation with hints and solutions to strengthen your understanding. Biology Zoology Standard 12 solutions are prepared by Experienced Embibe Experts.

Questions from Tamil Nadu Board Solutions for Exercise 1: Evaluation with Hints & Solutions

MEDIUM
12th Tamil Nadu Board
IMPORTANT

HGP is the windows for treatment of various genetic disorders. Justify the statement.

MEDIUM
12th Tamil Nadu Board
IMPORTANT

Write the source of energy for the replication and name the enzyme involved in this process.

HARD
12th Tamil Nadu Board
IMPORTANT

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

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

How is the two stage process of protein synthesis advantageous?

HARD
12th Tamil Nadu Board
IMPORTANT

 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

Explain the formation of a nucleosome.

HARD
12th Tamil Nadu Board
IMPORTANT

It is established that RNA is the first genetic material. Justify giving reasons.