Please explain question 10 thoroughly. 10. (4.45) Which pairs of molecules can form a hydrogen bond with one another? Explain.a.CH3CH3 and CH3 CH3b. CHC-HCH+Hc.andCH,CH-C-H3CH3CH2OH and CH3CH2OH

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Answered: 10. (4.45) Which pairs of molecules can…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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:0-H-1--:N-H Hydrogen Bond Which statement best helps explain the formation of the hydrogen bond represented in the figure? A The oxygen has a partial positive charge, and the nitrogen has a partial negative charge. (B) The nitrogen has a partial negative charge, and the hydrogen attached to the oxygen has a partial positive charge.
The amino acid arginine ionizes according to the following scheme: NH, NH2 NH2 H NH, C=N C=N C=N C=N-H pk = 2.17 -H pK. = 8.99 -H pK = 125 -H* H. NH NH NH NH H (CH,)a H (CH), +H* (CH)a (CH,)a H,N-C-coo- +H* +H* H-N*-C-COOH H-N-C-Co- H,N-C-co- H. нн H. H II II IV (a) Calculate the isoelectric point of arginine. You can neglect contributions from form I. Why? (b) Calculate the average charge on arginine when pH = 9.20. (Hìnt: Find the average charge for each ionizable group and sum these together.) (c) Is the value of average charge you calculated in part b reasonable, given the pl you calculated in part a? Explain your answer.
.9
22:54 1 ◄ Search Chemical Formula W... Name อ Example: C₂H4 HH H-C=C-H 1. C4H10 2. C6H12 3. C4H9OH Dashboard 4. C5H₂COOH 188 Calendar 0= To Do Q 5. C6HsCl 6. C₂H3N 7. C4H7SH 8. C₂H6CO 9. CHF3 10. CH:NH, C 8 LTE 27 Notifications Inbox
A carboxyl group is symbolizeda. —OH.b. —NH2.c. —CH3.d. —CH2OH.e. —COOH.
72. Use Figure 2 to answer the following questions. (1.4) KU HOCH, OH C3 H C H С — H ОН ОН ribose Figure 2 (a) Which type of molecule does this diagram represent? (b) What is the chemical formula for this molecule? of macromolecules does this (c) What group molecule belong to? エーO エ-O
Which of the following substituents are listed in correct order of priority from highest to lowest (line indicates bond to alkyl C)? A. I–, H–, Cl–, Br– B. H–, CH3 –, CH3-CH2–, Br– C. Br–, I–, F–, OH– D. Br–,CH3-CH2–, CH3 –, H– E. H–, OH–, CH3–, Br–
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Which of thefollowing compounds represent the LIST OXIDIZED and REDUCED class of organic compounds and explain why? H H CH3 H H --- C1 --- C2 --- O --- H H--- C --- C2 --- H H H H C2H5 H :0: :0: H--- C1 --- C2 ---H H--- C1 --- C2 ---0 --- H H H :0 :
Which of the following shows the monomer that makes up glycogen? A) a B) b C) c
Which of the following shows the reaction by which valine and leucine form a peptide bond H. H. H O -COO H2N-C-C-NH- C- C-OH + HO CH2 CH,SH ČH3 А. C. CH(CH)2 H. HN-C-C-NH-C- C-OH H,N-CH-C- + H,O HC-C-H CH2 CH2 H CH3 CH H,C-C-H CH(CH3)2 CH В. D.
What charged groups are present in lysine at a pH = 7? O A) 1 × NH3¹ B) 1 x COO OC) 1× NH3+ and 1 x COO- Jay OD) 2 × NH3 and 1 × COO- + OE) 1 × NH3+ and 2 × COO- O F) None

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10. (4.45) Which pairs of molecules can form a hydrogen bond with one another? Explain. a. CH3CH3 and CH3 CH3 b. CHC-H CH+H c. and CH, CH-C-H 3 CH3CH2OH and CH3CH2OH