Question

What is the purpose of transfer RNA?

Answer 1

Aminoacylation of tRNA means that the amino-acyl-adenylate enzyme complex reacts with tRNA specific for amino acid to form aminoacyl-tRNA complex. Enzyme and AMP are released. tRNA complexed with amino acid is called charged tRNA. The amino acid is linked to 3'OH end of tRNA through its COOH group.

AA~AMP−E +  tRNA →AA−tRNA +AMP +Eaminoacyl adenylateenzyme
The charged tRNA is transported to the ribosomes where its anticodon base pairs with codon present on mRNA and transfers its amino acid to the A-site of ribosome.
 

Answer 2

hey mate here is your ans:-

1.
Messenger RNA (mRNA) carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid.

2.
Transfer RNA (tRNA) is the key to deciphering the code words in mRNA. Each type of amino acid has its own type of tRNA, which binds it and carries it to the growing end of a polypeptide chain if the next code word on mRNA calls for it. The correct tRNA with its attached amino acid is selected at each step because each specific tRNA molecule contains a three-base sequence that can base-pair with its complementary code word in the mRNA.

3.
Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis. Ribosomes are composed of a large and small subunit, each of which contains its own rRNA molecule or molecules.

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