The consequences of radio labeling with 1 4 CO 2 in the reductive TCA cycle should be determined. Concept Introduction: In the forward cycle, CO 2 will be lost whereas in reverse TCA cycle it will be incorporated which will happen at the conversion of succinyl−CoA to α -ketoglutarate and again at the conversion of isocitrate to citrate.

Question

Show the mechanism for the acid-catalyzed formation of an [α-1,6] glycosidic linkagebetween two molecules of α-D-glucopyranose. Please sketch the structure and use arrows showing electron flow!

Answer 1

Question

Chapter 19, Problem 12P

Interpretation Introduction

Interpretation:

The consequences of radio labeling with ¹⁴CO₂ in the reductive TCA cycle should be determined.

Concept Introduction:

In the forward cycle, CO₂ will be lost whereas in reverse TCA cycle it will be incorporated which will happen at the conversion of succinyl−CoA to α -ketoglutarate and again at the conversion of isocitrate to citrate.

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Show the mechanism for the acid-catalyzed formation of an [α-1,6] glycosidic linkagebetween two molecules of α-D-glucopyranose. Please sketch the structure and use arrows showing electron flow!

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