Need help with this problem! **Problem 5:** Suppose a cell expresses HK-I and 5 mM is the concentration of glucose in the blood. Compare the cellular concentration of glucose (relative to 5 mM) based on the G6P concentration in the cell being low or high.

Answered: Problem 5. Suppose a cell expresses…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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**Problem 5:**

Suppose a cell expresses HK-I and 5 mM is the concentration of glucose in the blood. Compare the cellular concentration of glucose (relative to 5 mM) based on the G6P concentration in the cell being low or high.

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HK-1 is a type of hexokinase encoded by the HK1 gene. This enzyme produces glucose-6-phosphate by phosphorylating glucose. It can phosphorylate other hexoses too. Conversion of glucose to glucose-6-phosphate initiates the process of glycolysis which is associated with the production of energy-yielding molecules. Hexokinase is present on the mitochondrial outer membrane.

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