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What is the role of mRNA in gene expression?
What is the role of mRNA in gene expression?
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Practice Questions
1 question
Q1
What is the role of mRNA in gene expression?
To replicate DNA
To transport amino acids
To carry genetic information from DNA to ribosomes
To form the ribosome structure
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mRNA carries the genetic information from DNA to the ribosomes for protein synthesis.
Questions & Step-by-step Solutions
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Q
Q: What is the role of mRNA in gene expression?
Solution:
mRNA carries the genetic information from DNA to the ribosomes for protein synthesis.
Steps: 5
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Step 1: DNA is located in the nucleus of a cell and contains the instructions for making proteins.
Step 2: When a gene is needed, the DNA is copied into a molecule called mRNA (messenger RNA).
Step 3: The mRNA leaves the nucleus and enters the cytoplasm, where ribosomes are located.
Step 4: Ribosomes read the information on the mRNA to assemble amino acids in the correct order.
Step 5: The sequence of amino acids forms a protein, which performs various functions in the cell.
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