Multiple Choice
Where does translation occur in eukaryotes?
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15. Gene Expression
Introduction to Translation
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What is the benefit of protein synthesis occurring in polyribosomes?
A
It increases the accuracy of protein synthesis by reducing errors in translation.
B
It enables the synthesis of proteins with more complex structures.
C
It allows for the simultaneous synthesis of multiple copies of a protein from a single mRNA strand.
D
It speeds up the process of transcription by using multiple RNA polymerases.
Verified step by step guidance1
Understand the concept of polyribosomes: Polyribosomes, or polysomes, are a cluster of ribosomes bound to a single mRNA molecule. This structure allows multiple ribosomes to translate the same mRNA simultaneously.
Recognize the role of ribosomes in protein synthesis: Ribosomes are the cellular machinery responsible for translating mRNA into a polypeptide chain, which will fold into a functional protein.
Identify the advantage of having multiple ribosomes on a single mRNA: By having several ribosomes working on the same mRNA strand, the cell can produce many copies of the same protein quickly and efficiently.
Differentiate between translation and transcription: Translation is the process of synthesizing proteins from mRNA, while transcription is the synthesis of mRNA from DNA. Polyribosomes are involved in translation, not transcription.
Conclude the benefit of polyribosomes: The primary advantage of polyribosomes is the ability to produce multiple copies of a protein simultaneously from a single mRNA strand, thereby increasing the efficiency of protein synthesis.
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