Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 12, Problem 15RE
RECALL What is the role of ATP in amino acid activation?
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Chapter 12 Solutions
Biochemistry
Ch. 12 - RECALL Prepare a flow chart showing the stages of...Ch. 12 - Prob. 2RECh. 12 - RECALL Define degenerate code.Ch. 12 - RECALL How can the binding assay technique be used...Ch. 12 - RECALL Which nucleotides break the rules of...Ch. 12 - Prob. 6RECh. 12 - Prob. 7RECh. 12 - REFLECT AND APPLY It is possible for the codons...Ch. 12 - Prob. 9RECh. 12 - Prob. 10RE
Ch. 12 - REFLECT AND APPLY How would protein synthesis be...Ch. 12 - REFLECT AND APPLY Comment on the evolutionary...Ch. 12 - Prob. 13RECh. 12 - Prob. 14RECh. 12 - RECALL What is the role of ATP in amino acid...Ch. 12 - Prob. 16RECh. 12 - Prob. 17RECh. 12 - Prob. 18RECh. 12 - REFLECT AND APPLY A friend tells you that she is...Ch. 12 - Prob. 20RECh. 12 - REFLECT AND APPLY Is amino acid activation...Ch. 12 - Prob. 22RECh. 12 - Prob. 23RECh. 12 - Prob. 24RECh. 12 - RECALL What are the A site and the P site? How are...Ch. 12 - Prob. 26RECh. 12 - RECALL Describe the role of the stop signals in...Ch. 12 - Prob. 28RECh. 12 - RECALL What is the ShineDalgarno sequence? What...Ch. 12 - REFLECT AND APPLY You are studying with a friend...Ch. 12 - REFLECT AND APPLY E. coli has two tRNAs for...Ch. 12 - REFLECT AND APPLY In prokaryotic protein...Ch. 12 - REFLECT AND APPLY Describe the recognition process...Ch. 12 - REFLECT AND APPLY The fidelity of protein...Ch. 12 - REFLECT AND APPLY (a) How many activation cycles...Ch. 12 - REFLECT AND APPLY What is the energy cost per...Ch. 12 - Prob. 37RECh. 12 - Prob. 38RECh. 12 - Prob. 39RECh. 12 - Prob. 40RECh. 12 - Prob. 41RECh. 12 - Prob. 42RECh. 12 - Prob. 43RECh. 12 - Prob. 44RECh. 12 - Prob. 45RECh. 12 - Prob. 46RECh. 12 - Prob. 47RECh. 12 - RECALL What are two major similarities between...Ch. 12 - REFLECT AND APPLY Why do amino acids other than...Ch. 12 - REFLECT AND APPLY Would puromycin be useful for...Ch. 12 - Prob. 51RECh. 12 - Prob. 52RECh. 12 - Prob. 53RECh. 12 - Prob. 54RECh. 12 - Prob. 55RECh. 12 - Prob. 56RECh. 12 - REFLECT AND APPLY The amino acid hydroxyproline is...Ch. 12 - Prob. 58RECh. 12 - Prob. 59RECh. 12 - Prob. 60RECh. 12 - Prob. 61RECh. 12 - Prob. 62RECh. 12 - Prob. 63RECh. 12 - Prob. 64RECh. 12 - Prob. 65RECh. 12 - Prob. 66RECh. 12 - Prob. 67RECh. 12 - Prob. 68RECh. 12 - Prob. 69RECh. 12 - Prob. 70RECh. 12 - Prob. 71RECh. 12 - Prob. 72RECh. 12 - Prob. 73RE
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- REFLECT AND APPLY Is amino acid activation energetically favored? Why or why not?arrow_forwardREFLECT AND APPLY Comment on the energetics of protein folding in light of the information in this chapter.arrow_forwardREFLECT AND APPLY A mutation that changes an alanine residue in a protein to an isoleucine leads to a loss of activity. Activity is regained when a further mutation at the same site changes the isoleucine to a glycine. Why?arrow_forward
- REFLECT AND APPLY Would nature rely on the same enzyme to catalyze a reaction either way (forward or backward) if the DG were 0.8kcalmol1? If it were 5.3kcalmol1?arrow_forwardRECALL Does the behavior of allosteric enzymes become more or less cooperative in the presence of inhibitors?arrow_forwardREFLECT AND APPLY You are in the process of determining the amino acid sequence of a protein and must reconcile contradictory results. In one trial, you determine a sequence with glycine as the N-terminal amino acid and asparagine as the C-terminal amino acid. In another trial, your results indicate phenylalanine as the N-terminal amino acid and alanine as the C-terminal amino acid. How do you reconcile this apparent contradiction?arrow_forward
- REFLECT AND APPLY The amino acid hydroxyproline is found in collagen. There is no codon for hydroxyproline. Explain the occurrence of this amino acid in a common protein.arrow_forwardREFLECT AND APPLLY What is the metabolic advantage of having both hexokinase and glucokinase to phosphorylate glucose?arrow_forwardRECALL Define substrate-level phosphorylation and give an example from the reactions discussed in this chapter.arrow_forward
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