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प्रश्न
Explain in short.
Mutation
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उत्तर
Mutation is any sudden change that occurs in the nucleotide sequence of a gene, causing either a minor or considerable change in the characters of an individual.
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संबंधित प्रश्न
Explain different types of non-genetic RNA with diagrams and functions.
Multiple Choice Question:
Translation occurs in the _______.
Long Answer Question:
Justify the statement. If the answer is false, change the underlined word(s) to make the statement true
The process of translation occurs at the ribosome.
Draw a neat and labelled diagram of transcription and processing of hn-RNA
Describe the mechanism of translation with the help of neat and labelled diagram.
____________ refers to the mechanism in which codons of mRNA are translated and specific amino acids in a sequence form a polypeptide on ribosomes.
Study the following sentences and select the correct option.
- Addition of one or two bases changes the combination of sequence in codons.
- Addition or deletion of single nucleotide changes the reading frame.
- The reading frame beyond the point of insertion of three bases remains unaltered.
In processing of eukaryotic hnRNA, during protein synthesis what does the tailing of RNA involve?
From the following identify the INCORRECT match.
During translation, ______ ions play significant role in associating two subunits of ribosomes.
Identify the Central Dogma in molecular biology.
How many codons will be altered in the following case?
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases.
Which one of the following is NOT essential for synthesis of protein in a normal cell?
During protein synthesis, a ribosome moves from 5 to 3 and of mRNA to recognize all codons. This movement of ribosome is called:
Answer the following questions :
What is transcription?
Complete the above-given diagram of a transcription unit.
During the post transcriptional modification, ______ process does not occur.
What is meant by the polarity of genetic code ?
Name the anticodon of the tRNA that carries the above amino acid.
