What is the role of messenger RNA (mRNA) in gene expression?

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Question: What is the role of messenger RNA (mRNA) in gene expression?

Options:

Correct Answer: To carry genetic information from DNA to ribosomes

Solution:

mRNA carries genetic information from DNA to ribosomes, where proteins are synthesized.

What is the role of messenger RNA (mRNA) in gene expression?

What is the role of messenger RNA (mRNA) in gene expression?

Correct Answer: mRNA carries genetic information from DNA to ribosomes, where proteins are synthesized.

Step 1: DNA contains the genetic information needed to make proteins.
Step 2: When a gene is needed, the DNA is copied into a molecule called messenger RNA (mRNA).
Step 3: The mRNA leaves the nucleus of the cell and travels to the ribosomes, which are the sites of protein synthesis.
Step 4: At the ribosomes, the mRNA is read in sets of three bases (codons), which correspond to specific amino acids.
Step 5: The ribosomes use the information from the mRNA to assemble amino acids in the correct order to form a protein.

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