Fundamentals of Biochemistry: Life at the Molecular Level 5th Edition

Published by Wiley
ISBN 10: 1118918401
ISBN 13: 978-1-11891-840-1

Chapter 16 - Glycogen Metabolism and Gluconeogenesis - Exercises - Page 556: 17

Answer

Fructose-1,6-bishosphatase is the enzyme, which helps to converts fructose-1.6-bisphosphte into fructose-6 phosphate during course of gluconeogenesis Before twenty four hours fasting the blood glucose is normal. Hence, there is no requirement of of synthesis of glucose from pyruvate. Hence, the it will not affect the glucose concentration to considerable extent But after 24 hours of fasting the blood glucose level drops down considerably and to maintain the glucose concentration there will be gluconeogenesis reaction takes place. Therefore, after fasting the emzyme will enhance the glucose concentration to considerable extent.

Work Step by Step

Fructose-1,6-bishosphatase is the enzyme, which helps to converts fructose-1.6-bisphosphte into fructose-6 phosphate during course of gluconeogenesis Before twenty four hours fasting the blood glucose is normal. Hence, there is no requirement of of synthesis of glucose from pyruvate. Hence, the it will not affect the glucose concentration to considerable extent But after 24 hours of fasting the blood glucose level drops down considerably and to maintain the glucose concentration there will be gluconeogenesis reaction takes place. Therefore, after fasting the emzyme will enhance the glucose concentration to considerable extent.
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