Answered: CH3 Н Н Н CH3 H,N-c-C. Н Н,С НС \ 3 Н 3…

CH3 Н Н Н CH3 H,N-c-C. Н Н,С НС \ 3 Н 3 c-c-NH3 HạÑ-c-c -ood н HO C-C- NH "ОН Н 21 НО -ooc Н COO- stereoisomers of threonine ОН COO- OOC OOC

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter19: Aldehydes And Ketones: Nucleophilic Addition Reactions

Section19.SE: Something Extra

Problem 55AP: Draw and name the seven aldehydes and ketones with the formula C5H10O. Which are chiral?

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Concept explainers

Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.

Question

Threonine, an amino acid, has four stereoisomers. The stereoisomer found in nature is (2S,3R)-threonine. Which of the following structures represents the naturally occurring amino acid?

CH3
Н
Н
Н
CH3
H,N-c-C.
Н
Н,С
НС
\ 3
Н
3
c-c-NH3 HạÑ-c-c
-ood
н
HO C-C- NH
"ОН
Н
21
НО
-ooc
Н
COO-
stereoisomers of threonine
ОН
COO-
OOC
OOC

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