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Chapter 22: Problem 9

Transfer RNAs are absolutely essential for polypeptide synthesis. After reviewing the material in this chapter, name five different cellular components that can bind to (interact with) tRNA molecules.

Short Answer

Expert verified
The five different cellular components that can interact with tRNA are Aminoacyl tRNA synthetase, mRNA, Ribosome, Release factor, and Elongation factor.

Step by step solution

01

Identification of tRNA functions

Begin by understanding the function of tRNA. Transfer RNAs (tRNAs) are vital for protein synthesis. In this process, they function as adapters that read the sequence of the mRNA and add specific amino acids to the growing polypeptide chain.
02

Naming cellular components

There are multiple cellular components that interact with tRNA. These include, but are not limited to:1. Aminoacyl-tRNA synthetase: This enzyme charges the tRNA molecule with a specific amino acid.2. mRNA: In protein synthesis, tRNA binds to the mRNA and reads its codon to add the correct amino acids.3. Ribosome: The ribosome hosts the space where tRNA binds to mRNA. It holds the mRNA in place while tRNAs bind to the exposed codons.4. Release factor: Interacts with the tRNA when a stop codon is encountered.5. Elongation factor: Assists the tRNA in binding to the ribosome during elongation of the polypeptide chain.
03

Double-checking and finalizing the answer

Ensure that the listed cellular components are indeed found in the cell and are known to interact with tRNA molecules for protein synthesis. Cross-check the answer with the study material to ensure accuracy.

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Most popular questions from this chapter

In the operons that contain genes for isoleucine biosynthesis, the leader regions that precede the genes contain multiple codons that specify not only isoleucine but valine and leucine as well. Suggest a reason why this is so.

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