In an experiment,you have isolated amino acids from the cytosol of a cell.You discover that nucleic acid molecules appear to be attached to the amino acids.It is most likely that you have isolated what type of nucleic acid?
A)DNA
B)mRNA
C)rRNA
D)tRNA
E)Double-stranded RNA

Question

Quizplus · Accepted Answer

tRNA (transfer RNA) is the only type of nucleic acid that is known to be covalently attached to amino acids, forming aminoacyl-tRNA molecules. None of the other options (DNA, mRNA, rRNA, or double-stranded RNA) are known to form chemical bonds with amino acids.

In an Experiment,you Have Isolated Amino Acids from the Cytosol