Question

The RNA that picks up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called

(a) mRNA

(b) tRNA

(c) rRNA

(d) RNA

Answer 1

Correct option (b) tRNA

Explanation

tRNA (soluble RNA = sRNA) is a 70-75 nucleotide long molecule. 80% of this RNA is double helical, one end of this molecule has G and other C-C-A sequences. 

The clover leaf model (2D) of rRNA was given by R Holley l1968l and film et al, [1973] suggested 'L' shaped model (3D) of tRNA by X-ray diffraction while studying phenyl alanine tRNA of yeast Each amino acid had its own specific tRNA molecule which transfers it from cytoplasm to the ribosome.