Protein Synthesis: The Role of Ribosomes
In protein synthesis, the role of the ribosome is to:
A. Translate mRNA into tRNA
B. Read the mRNA code
C. Pick up and carry amino acids
D. Translate tRNA into amino acids
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In protein synthesis, the role of the ribosome is to: B. Read the mRNA codeExplanation:
Ribosomes are cellular organelles present in both eukaryotic and prokaryotic cells. The ribosome is the site of protein synthesis in a living cell, where the translation of mRNA into protein (amino acids) occurs.
The mRNA molecule is read in the ribosome with the aid of another type of RNA molecule called tRNA (transfer RNA). The tRNA in the ribosome reads the mRNA codon using its anticodon and carries the corresponding amino acid to the growing polypeptide chain. Therefore, the ribosomes play the role of reading mRNA code during protein synthesis.