The majority of glucose in the cell is in what form? (chair = chair conformation, boat=boat conformation) %3D O a-L-glucopyranose, boat O a-D-glucopyranose, chair O B-D-glucopyranose, chair O B-D-glucopyranose, boat O B-D-glucopyranose, chair O a-D-glucopyranose, boat

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
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**Question:**

The majority of glucose in the cell is in what form? (chair = chair conformation, boat = boat conformation)

- ○ α-L-glucopyranose, boat
- ○ α-D-glucopyranose, chair
- ○ β-D-glucopyranose, chair
- ○ β-D-glucopyranose, boat
- ○ β-L-glucopyranose, chair
- ○ α-D-glucopyranose, boat

**Explanation:**

This question asks about the structural conformation of glucose predominantly found in cells. Glucopyranose can exist in different structural forms called conformations, where "chair" and "boat" are two stable configurations. "α" and "β" denote different isomeric forms, where the orientation of the hydroxyl group on the anomeric carbon differs between the two. The "D" and "L" indicate the orientation based on the configuration relative to the chiral center furthest from the aldehyde or ketone group in the sugar.
Transcribed Image Text:**Question:** The majority of glucose in the cell is in what form? (chair = chair conformation, boat = boat conformation) - ○ α-L-glucopyranose, boat - ○ α-D-glucopyranose, chair - ○ β-D-glucopyranose, chair - ○ β-D-glucopyranose, boat - ○ β-L-glucopyranose, chair - ○ α-D-glucopyranose, boat **Explanation:** This question asks about the structural conformation of glucose predominantly found in cells. Glucopyranose can exist in different structural forms called conformations, where "chair" and "boat" are two stable configurations. "α" and "β" denote different isomeric forms, where the orientation of the hydroxyl group on the anomeric carbon differs between the two. The "D" and "L" indicate the orientation based on the configuration relative to the chiral center furthest from the aldehyde or ketone group in the sugar.
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