Multiple Choice
Where does the binding of tRNA to mRNA occur during the process of translation?
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15. Gene Expression
Introduction to Translation
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Which factor hydrolyzes GTP to provide energy for translocation during bacterial translation?
A
EF-Tu
B
EF-G
C
IF-2
D
RF-1
Verified step by step guidance1
Understand the process of bacterial translation, which involves the synthesis of proteins from mRNA. This process requires energy, often provided by the hydrolysis of GTP.
Identify the role of elongation factors in translation. Elongation factors are proteins that facilitate the elongation phase of protein synthesis.
Recognize that EF-Tu and EF-G are both elongation factors involved in bacterial translation. EF-Tu is responsible for bringing aminoacyl-tRNA to the ribosome, while EF-G is involved in translocation.
Focus on the translocation step, where the ribosome moves along the mRNA to position the next codon in the A site. This movement requires energy.
EF-G is the factor that hydrolyzes GTP to provide the necessary energy for the translocation of the ribosome along the mRNA during bacterial translation.
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