Question

Which molecule is used to tell tRNA which amino acid is needed?

A. rRNA

B. mRNA

C. siRNA

Answer 1

B. mRNA

Step-by-step explanation:

anticodon – a sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule. The anticodon sequence determines the amino acid that the tRNA carries.

Answer 2

B. mRNA

Step-by-step explanation:

The mRNA is used to tell tRNA which amino acid is needed.