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35. Which of the following is true? A. All 20 common amino acids have an amino group and a carboxyl group bonded to the same carbon atom B. All 20 common amino acids exist in nature equally as both the D and L stereoisomers C. All amino acids have mirror-image pairs designated D and L D. Uncharged R group of amino acids are not polar E. More than one of the above are correct

35. Which of the following is true? A. All 20 common amino acids have an amino group and a carboxyl group bonded to the same carbon atom B. All 20 common amino acids exist in nature equally as both the D and L stereoisomers C. All amino acids have mirror-image pairs designated D and L D. Uncharged R group of amino acids are not polar E. More than one of the above are correct

Biochemistry
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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### Question 35 #### Which of the following is true? A. All 20 common amino acids have an amino group and a carboxyl group bonded to the same carbon atom B. All 20 common amino acids exist in nature equally as both the D and L stereoisomers C. All amino acids have mirror-image pairs designated D and L D. Uncharged R group of amino acids are not polar E. More than one of the above are correct This multiple-choice question is designed to test the understanding of the properties and structures of amino acids, which are the building blocks of proteins. Each option addresses a different aspect of amino acid chemistry, including their structure, stereoisomerism, and the properties of their side chains (R groups).
Transcribed Image Text:### Question 35 #### Which of the following is true? A. All 20 common amino acids have an amino group and a carboxyl group bonded to the same carbon atom B. All 20 common amino acids exist in nature equally as both the D and L stereoisomers C. All amino acids have mirror-image pairs designated D and L D. Uncharged R group of amino acids are not polar E. More than one of the above are correct This multiple-choice question is designed to test the understanding of the properties and structures of amino acids, which are the building blocks of proteins. Each option addresses a different aspect of amino acid chemistry, including their structure, stereoisomerism, and the properties of their side chains (R groups).
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