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Which of the following statements about translation is true?
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15. Gene Expression
Introduction to Translation
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Which of the following molecules is responsible for bringing amino acids to the ribosomes during translation?
A
DNA
B
rRNA
C
mRNA
D
tRNA
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Understand the process of translation: Translation is the process by which the genetic code carried by mRNA is decoded to produce a specific polypeptide or protein. This occurs in the ribosome.
Identify the role of each molecule in translation: DNA contains the genetic blueprint, mRNA carries the genetic information from DNA to the ribosome, rRNA is a component of the ribosome, and tRNA brings amino acids to the ribosome.
Focus on the function of tRNA: Transfer RNA (tRNA) is responsible for transporting specific amino acids to the ribosome, where they are added to the growing polypeptide chain.
Recognize the structure of tRNA: tRNA molecules have an anticodon region that pairs with the corresponding codon on the mRNA strand, ensuring that the correct amino acid is added.
Conclude that tRNA is the molecule responsible for bringing amino acids to the ribosomes during translation, as it directly interacts with both the mRNA and the amino acids.
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