10 Questions
What is the result of the reaction catalyzed by glutathione peroxidase?
Formation of oxidized glutathione
What is the purpose of the cell's protective mechanisms against ROS?
To minimize the toxic potential of ROS
What is the role of NADPH in the regeneration of reduced glutathione?
Provides electrons for the reduction of hydrogen peroxide
What is the consequence of diminished G6PD activity?
Impaired ability to form NADPH
What is the result of ROS damaging unsaturated lipids?
Cell death
What is the function of glutathione reductase?
To regenerate reduced glutathione
What is the consequence of oxidative stress?
Increased formation of ROS
What is the function of reduced glutathione?
To detoxify ROS
What are ROS implicated in?
A number of pathologic processes
What is the structural formula of reduced glutathione?
A tripeptide-thiol (γ-glutamylcysteinylglycine)
This quiz covers the process of gluconeogenesis, where glucose is synthesized from non-carbohydrate precursors, mainly in the liver and kidneys. It explores the steps involved, including the reversal of glycolysis, and the role of the kidney cortex and medulla.
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