1. The diagram below shows the chemical structure of two sugar molecules. СНО b. CHZOH а. НО- H. C=0 Но H. H HO-H НО —Н CH2OH CH;OH a. How many chiral carbons are in sugars a and b? b. Are they D- or L- sugars? Explain your answer. c. What is the name of this kind of representation of the sugars in the diagram?
1. The diagram below shows the chemical structure of two sugar molecules. СНО b. CHZOH а. НО- H. C=0 Но H. H HO-H НО —Н CH2OH CH;OH a. How many chiral carbons are in sugars a and b? b. Are they D- or L- sugars? Explain your answer. c. What is the name of this kind of representation of the sugars in the diagram?
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

Transcribed Image Text:1.
The diagram below shows the chemical structure of two sugar molecules.
СНО
b.
CHZOH
а.
HO
C=0
НО—Н
H
-H-
Но-
НО —Н
CH2ОН
CH;OH
How many chiral carbons are in sugars a and b?
b. Are they D- or L- sugars? Explain your answer.
What is the name of this kind of representation of the sugars in the diagram?
а.
с.
d. If these two sugars form a cyclic structure using the hydroxyl group on the last carbon,
will they form furanose or pyranose? Also, on each sugar on the Answer Sheet, circle
the carbon which will become the anomeric carbon in the cyclic structure.
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