Multiple Choice
Which nitrogenous base is found in mRNA but not in DNA?
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7. DNA and Chromosome Structure
RNA
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What is the primary role of messenger RNA (mRNA) in gene expression?
A
It delivers specific amino acids to the ribosome by matching its anticodon to codons on the RNA template.
B
It carries genetic information from DNA to the ribosome, where it serves as a template for protein synthesis.
C
It forms the core structural and catalytic components of the ribosome during translation.
D
It removes introns from pre-mRNA by catalyzing RNA splicing reactions in the nucleus.
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