two representing L-alanine and two representing D-alanine. Which pair represents L-alanine? *H3N- H3C- O- CH3 H A) A and B B) C and D -NH3* +H3N- -H B CH3 CH3 -NH3*

Organic And Biological Chemistry
7th Edition
ISBN:9781305081079
Author:STOKER, H. Stephen (howard Stephen)
Publisher:STOKER, H. Stephen (howard Stephen)
Chapter9: Proteins
Section: Chapter Questions
Problem 9.69EP
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Question
O:
Four Fischer projection representations of alanine are shown below,
two representing L-alanine and two representing D-alanine. Which
pair represents L-alanine?
A
H3C-
+H3N- ·C· -H
CH3
H
A) A and B
B) C and D
Question 2 of 15
C) A and C
D R and D
-NH3*
*H3N-
H-
B
H
CH3
CH3
Submit
-NH3*
+
Transcribed Image Text:O: Four Fischer projection representations of alanine are shown below, two representing L-alanine and two representing D-alanine. Which pair represents L-alanine? A H3C- +H3N- ·C· -H CH3 H A) A and B B) C and D Question 2 of 15 C) A and C D R and D -NH3* *H3N- H- B H CH3 CH3 Submit -NH3* +
Question 1 of 15
What is the identity of the unit highlighted in the amino acid shown
here?
H
H₂N-C
O
||
C -O
CH₂
CH₂
C: O
NH₂
A) alpha-carbon
B) alpha-carboxyl group
C) alpha-amino group
Submit
D) side chain R-group
+
Transcribed Image Text:Question 1 of 15 What is the identity of the unit highlighted in the amino acid shown here? H H₂N-C O || C -O CH₂ CH₂ C: O NH₂ A) alpha-carbon B) alpha-carboxyl group C) alpha-amino group Submit D) side chain R-group +
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