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Chemistry
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Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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These are questions regarding hydrogen bonds (•••). A. What are they? B. What elements can be involved in forming hydrogen bonds? (Hint: check the groups on the right of the periodic table) C. If hydrogen bonds are so weak (5–7 kcal/mol or 21–29 kJ/mol), how can it be explained that protein structures largely depend on them? (Hint: the two strands of the DNA helix are also stabilized by hydrogen bonds.) D. Briefly illustrate how hydrogen bond interactions may exist (in proteins) between (i) the atoms of two peptide bonds, (ii) the peptide backbone to the side chain of another amino acid; or (iii) side chain to side chain. (Hint: Check Fig. 4-6 of the Alberts et al. text; you may draw a simplified version of this figure.)
Transcribed Image Text:These are questions regarding hydrogen bonds (•••). A. What are they? B. What elements can be involved in forming hydrogen bonds? (Hint: check the groups on the right of the periodic table) C. If hydrogen bonds are so weak (5–7 kcal/mol or 21–29 kJ/mol), how can it be explained that protein structures largely depend on them? (Hint: the two strands of the DNA helix are also stabilized by hydrogen bonds.) D. Briefly illustrate how hydrogen bond interactions may exist (in proteins) between (i) the atoms of two peptide bonds, (ii) the peptide backbone to the side chain of another amino acid; or (iii) side chain to side chain. (Hint: Check Fig. 4-6 of the Alberts et al. text; you may draw a simplified version of this figure.)
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