Question

Which molecule reads the amino acid sequence and builds the protein?​

Answer 1

The molecule of mRNA provides the code to synthesize a protein. In the process of translation, the mRNA attaches to a ribosome. Next, tRNA molecules shuttle the appropriate amino acids to the ribosome, one-by-one, coded by sequential triplet codons on the mRNA, until the protein is fully synthesized.

Answer 2

Answer: transfer RNA (tRNA)

Explanation: During protein synthesis, the mRNA strand produced by copying the DNA sequence moves to the cytoplasm where it gets attached to the ribosome. A ribosome is a site for protein synthesis. Protein synthesis is initiated when the ribosome comes in contact with the AUG codon (start codon). The mRNA moves through the ribosome three bases at a time where the tRNA brings the correct amino acid from the cytoplasm and adds it to the growing peptide chain.