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Biochem Exam 2.docx - Chapter 8: Metabolism and Redox...

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Chapter 8: Metabolism and Redox Reactions1.Describe fuel metabolism as a system: state how different processesare compartmentalized by tissue and within a cell to prevent theoccurrence of a futile cycle2.Explain the significance of oxidation reduction (redox) reactions inhuman metabolism including how redox reactions are able to occurunder physiological conditions and the significance of electron carriers1.When you eat, what are the three major macromolecules that you willbe using and breaking down?
4.Why does glucose get converted into pyruvate before acetyl CoA?
1.If there is energy stored in bonds, what is the energy stored inthe bonds?
10.Major output is NADH and the major regulator is NADH11.Blood sugar dropsneuronal function drops12.You cannot degrade fatty acids in the brain1.Brain depends on glucose13.RBC functionglucose1.RBC cannot breakdown fatty acids or undergo TCA14.Liver, muscle and adipose tissue have glycogen stores15.GLUT4 transporters in muscle = unidirectional16.Body reserve if glycogen is in the liver, lasting for 12 hours if youare at rest17.Can change enzyme expression by changing your diet.18.Proteins are not for energy storage; they are use it or lose itmolecules19.You are reducing function of the cell20.Fatty acid – much more efficient energy storage.21.About a month of fat storage22.Fatty acids cannot cross the BBB1.Fatty acids will be broken down in the liver to create ketones.Ketones prevent death in extreme circumstances.23.Too much ketone synthesis.24.Starvation will induce ketone synthesis.25.The brain won’t express the enzymes to degrade ketones untilyou are on it for 3 days.

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Term
Fall
Professor
Dr.Morris
Tags
Cellular Respiration, Glycolysis, Adenosine triphosphate, Unidirectional

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