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प्रश्न
Define mutation.
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उत्तर
A sudden change that occurs in the nucleotide sequence of a gene, causing either a minor or considerable change in the characters of an individual is known as mutation.
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संबंधित प्रश्न
Multiple Choice Question:
Transcription is the transfer of genetic information from _______.
Give scientific reason.
Some of the characters of parents are seen in their offspring.
Identify the strand of DNA which acts as a template during transcription.
Match the Column I (RNA polymerases) with Column II (Transcribed products) and select the correct option.
| Column I | Column II | ||
| i. | RNA polymeraseI | a. | t-RNA |
| ii. | RNA polymerase II | b | rRNA |
| iii. | RNA polymerase III | c. | hnRNA |
Select the correct option from the following:
Identify the CORRECT statements.
- Conversion of hnRNA to mRNA - Processing
- Removal of introns and joining of exons - Splicing
- Methyl adenosine triphosphate is added to 5'-end of hnRNA- Capping
- Addition of adenylate residues to 5' end in a template-dependent manner - Tailing
Which one of the following codons will NOT pair with Anticodon of t-RNA?
Polyribosomes are ______
The enzyme initiating the formation of mRNA is ______
Which one is a cell-coded protein formed in response to infection with most animal viruses:
What is meant by the polarity of genetic code ?
