What is the common feature between an aldo- hexose and a ketohexose: A The number of secondary alcohol functions B The number of carbonyl groups C The number of asymmetric carbons D The number of primary alcohol functions E The nature of their carbonyl group
What is the common feature between an aldo- hexose and a ketohexose: A The number of secondary alcohol functions B The number of carbonyl groups C The number of asymmetric carbons D The number of primary alcohol functions E The nature of their carbonyl group
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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Transcribed Image Text:What is the common feature between an aldo-
hexose and a ketohexose:
A The number of secondary alcohol functions
B The number of carbonyl groups
C The number of asymmetric carbons
D The number of primary alcohol functions
E The nature of their carbonyl group
Expert Solution
Step 1
Introduction:
Monosaccharide are the simplest group of carbohydrates commonly known as simple sugar.
Example: Glucose
Step 2
Explanation:
The correct answer is "C".
Both aldohexose and ketohexose have six asymmetrical carbons.
All the other option differ in aldohexose and ketohexose.
The functional group of aldohexose is formyl group while ketohexose is ketone group.
The carbonyl carbon in aldohexose present at position 1 while in ketohexose it it present at position 2 or 3.
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