What is the role of mRNA in protein synthesis?

• A. Transports Amino Acids
• B. Stores Genetic Information
• C. Carries Genetic Information from DNA to Ribosomes
• D. Facilitates Ribosome Assembly

Answer: (C)

mRNA, or messenger RNA, plays a crucial role in protein synthesis as it carries genetic information from DNA to ribosomes, where proteins are synthesized. This process begins in the nucleus, where DNA is transcribed into mRNA. The mRNA then exits the nucleus and enters the cytoplasm, where it serves as a template for protein synthesis.

During translation, ribosomes read the sequence of the mRNA and use it to assemble a chain of amino acids in the correct order to form a protein. This process is essential for the expression of genes and ultimately leads to the production of proteins that perform various functions within the cell.

The other options do not accurately describe the primary role of mRNA. While amino acids are critical for protein synthesis, they are transported by tRNA, not mRNA. Genetic information is stored in DNA, and while mRNA is involved in this process, its primary function is not storage but rather the transfer of information. Lastly, ribosome assembly is facilitated by various factors and not directly by mRNA, which is focused on delivering the genetic code for protein construction.