Which forces are responsible for the stability of α-helix? Why is it named as 3.6 helix?
Answer the following query about proteins:
How are oligopeptides different from polypeptides?
What is mutation? What are the consequences of mutation?
Any change in the base sequence of DNA which leads to the synthesis of proteins with altered amino acid sequence is called mutation.
Consequence of mutations: Mutation leads to the synthesis of proteins with an altered amino acid sequence. The proteins with changed sequences of amino acids may have no biological activity leading to the death of a cell.The defective gene may also cause abnormality or certain genetic diseases.
Define the following terms: (i) Gene, (ii) Genetic code, (iii) Transcription, (iv) Translation, (v) Codon.