Multiple Choice
Which type of RNA is primarily found in the ribosome and plays a crucial role in protein synthesis?
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15. Gene Expression
Introduction to Types of RNA
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Which type(s) of RNA are directly involved in the process of translation?
A
mRNA and tRNA only
B
tRNA and rRNA only
C
mRNA, tRNA, and rRNA
D
mRNA and rRNA only
Verified step by step guidance1
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, which is composed of rRNA and proteins.
Identify the role of mRNA: mRNA (messenger RNA) carries the genetic information from DNA in the nucleus to the ribosome, where it serves as a template for protein synthesis.
Identify the role of tRNA: tRNA (transfer RNA) is responsible for bringing the correct amino acids to the ribosome in accordance with the sequence of codons on the mRNA. Each tRNA molecule has an anticodon that pairs with a specific mRNA codon.
Identify the role of rRNA: rRNA (ribosomal RNA) is a key structural and functional component of the ribosome. It helps to catalyze the formation of peptide bonds between amino acids, facilitating the assembly of the polypeptide chain.
Conclude which types of RNA are involved: Since mRNA provides the template, tRNA brings the amino acids, and rRNA forms the core of the ribosome and catalyzes peptide bond formation, all three types of RNA (mRNA, tRNA, and rRNA) are directly involved in the process of translation.
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