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Multiple Choice
Which of the following chemical reactions provides the ribosome with the energy required to complete translation?
A
ATP hydrolysis
B
GTP hydrolysis
C
Protein lysis
D
H2O hydrolysis
Verified step by step guidance
1
Understand the role of ribosomes in translation: Ribosomes are molecular machines that synthesize proteins by translating mRNA sequences into amino acid chains.
Recognize the energy requirement for translation: Translation is an energy-intensive process that requires energy to form peptide bonds and move the ribosome along the mRNA.
Identify the source of energy: During translation, the energy is primarily provided by the hydrolysis of GTP (guanosine triphosphate), not ATP.
Explore the mechanism of GTP hydrolysis: GTP is hydrolyzed to GDP (guanosine diphosphate) and inorganic phosphate, releasing energy that powers the translocation of the ribosome along the mRNA.
Differentiate between the options: ATP hydrolysis is involved in other cellular processes, protein lysis refers to the breakdown of proteins, and H2O hydrolysis is not directly related to energy provision for translation.