6. The lens of the eye is the light refracting medium of the eye, and it has no mitochondria. Glucose is used as an energy source in the lens. Which metabolic pathway of glucose supplies energy to the crystalline eye lens? To answer the question: a) write a diagram of the metabolic pathway that provides the eye's lens with ATP, specify enzymes and coenzymes; b) mark the reactions associated with the ATP consumption and synthesis, calculate the ATP yield during the process; c) specify the mechanisms of ATP synthesis in the process; d) name the tissues and cells in which the ATP synthesis is the same as in the lens; e) write the dehydrogenation reaction and the reaction of final product formation occurring in the process;
6. The lens of the eye is the light refracting medium of the eye, and it has no mitochondria. Glucose is used as an energy source in the lens. Which metabolic pathway of glucose supplies energy to the crystalline eye lens? To answer the question: a) write a diagram of the metabolic pathway that provides the eye's lens with ATP, specify enzymes and coenzymes; b) mark the reactions associated with the ATP consumption and synthesis, calculate the ATP yield during the process; c) specify the mechanisms of ATP synthesis in the process; d) name the tissues and cells in which the ATP synthesis is the same as in the lens; e) write the dehydrogenation reaction and the reaction of final product formation occurring in the process;
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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Transcribed Image Text:6. The lens of the eye is the light refracting medium of the eye, and it has no
mitochondria. Glucose is used as an energy source in the lens. Which metabolic
pathway of glucose supplics energy to the crystalline eye lens? To answer the
question:
a) write a diagram of the metabolic pathway that provides the eye's lens with
ATP, specify enzymes and coenzymes;
b) mark the reactions associated with the ATP consumption and synthesis,
calculate the ATP yield during the process;
c) specify the mechanisms of ATP synthesis in the process;
d) name the tissues and cells in which the ATP synthesis is the same as in the
lens;
e) write the dehydrogenation reaction and the reaction of final product formation
occurring in the process;
6.3. Gluconeogenesis. Regulation of Glycolysis and Gluconeogenesis
271
) indicate the fate of the end product of the process and the consequences of its
accumulation.
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