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tRNAs are 'charged' or activated by aminoacyl TRNA synthetases. Select the correct statements regarding this process. The process is dependent on interactions between ribosomes and aminoacyl RNA synthetases. O The aminoacid is added to the D-loop of the tRNA. Aminoacyl TRNA synthetases are pre-associated with tRNAS. The amino acid is attached to the terminal to the 3' hydroxyl of an adenine in the acceptor arm. The process requires an aminoacyl-adenylate intermadiate.

tRNAs are 'charged' or activated by aminoacyl TRNA synthetases. Select the correct statements regarding this process. The process is dependent on interactions between ribosomes and aminoacyl RNA synthetases. O The aminoacid is added to the D-loop of the tRNA. Aminoacyl TRNA synthetases are pre-associated with tRNAS. The amino acid is attached to the terminal to the 3' hydroxyl of an adenine in the acceptor arm. The process requires an aminoacyl-adenylate intermadiate.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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## tRNAs Charging by Aminoacyl tRNA Synthetases **Select the correct statements regarding this process:** - ☐ The process is dependent on interactions between ribosomes and aminoacyl tRNA synthetases. - ☐ The amino acid is added to the D-loop of the tRNA. - ☐ Aminoacyl tRNA synthetases are pre-associated with tRNAs. - ☐ The amino acid is attached to the terminal to the 3' hydroxyl of an adenine in the acceptor arm. - ☐ The process requires an aminoacyl-adenylate intermediate. --- ## QUESTION 19: Myosin-Mediated Contraction in the Sarcomere **Select the correct statements regarding myosin-mediated contraction:** - ☐ Ca²⁺ is required for the binding of myosin to f-actin. - ☐ Myosin and f-actin are randomly distributed in the sarcomere. - ☐ Physical pulling of the actin microfilament requires three distinct conformation changes on myosin that involve ATP binding, ATP hydrolysis, and sequential release of inorganic phosphate and ADP. - ☐ Myosin-mediated contraction is ubiquitous across all cell types.
Transcribed Image Text:## tRNAs Charging by Aminoacyl tRNA Synthetases **Select the correct statements regarding this process:** - ☐ The process is dependent on interactions between ribosomes and aminoacyl tRNA synthetases. - ☐ The amino acid is added to the D-loop of the tRNA. - ☐ Aminoacyl tRNA synthetases are pre-associated with tRNAs. - ☐ The amino acid is attached to the terminal to the 3' hydroxyl of an adenine in the acceptor arm. - ☐ The process requires an aminoacyl-adenylate intermediate. --- ## QUESTION 19: Myosin-Mediated Contraction in the Sarcomere **Select the correct statements regarding myosin-mediated contraction:** - ☐ Ca²⁺ is required for the binding of myosin to f-actin. - ☐ Myosin and f-actin are randomly distributed in the sarcomere. - ☐ Physical pulling of the actin microfilament requires three distinct conformation changes on myosin that involve ATP binding, ATP hydrolysis, and sequential release of inorganic phosphate and ADP. - ☐ Myosin-mediated contraction is ubiquitous across all cell types.
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