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In prokaryotic translation, the formatio...

In prokaryotic translation, the formation of peptide bond between two amino acid is catalysed by a

A

Proteinaceous enzyme

B

Lysozyme

C

RNA catalyst

D

Ribonuclease

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Select an option that shows the correct sequence of the events involved in the translation mechanism. a. Binding of mRNA to smaller subunit of ribosome b. Aminoacylation of tRNA c. Binding of initiator tRNA to the P-site of the ribosome d. Formation of polypeptide e. Formation of peptide bond between first and second amino acids at the A site.

The following features occur during protein synthesis: (i) Movement of m-RNA from the nucleus into the Cytoplasm, where it binds to the ribosomes (ii) Formation of amino acyl t-RNA complex (iii) Transcription of specific segments of DNA into m-RNA molecules in the nucleus (iv) Binding of N-terminal amino acid, methionine t-RNA to the 'P' site of the ribosome. The t-RNA anticodon "pairs with AUG on m-RNA" (v) Formation of peptide bond between first and second amino acids at the 'A' site (vi) Release of the completed polypeptide chain from ribosomes (vii) Migration of dipeptide to form a tripeptide and then a polypeptide The correct order of events is

In prokaryotes , which ribozyme helps in peptide bond formation ?

Study the mRNA segment given above which is complete to be translated into a polypeptide chain. (i) Write the codons'a' and 'b' (ii) What so they code for ? (iii) How is peptide bond formed between two amino acids in the ribosome ?

Protein are nitrogeneous organic compound having very high molecular mass. They are polyamide formed from alpha -amino acid. The bond formed between two amino acid is called peptide bond (-underset(O)underset(||)C-NH-) . The product obtained by this peptide bond formation are called peptide and they may be divided as di, tri, tetra, penta peptide. The given structure of amino acid will exist at which pH?

AAKASH INSTITUTE ENGLISH-TEST 6-EXAMPLE
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  12. HIV

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