Summary: Principles Of Human Physiology. | 9780321681829 | Cindy L Stanfield
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Read the summary and the most important questions on Principles of human physiology. | 9780321681829 | Cindy L. Stanfield.
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1 H18 Zenuwstelsel en zintuigen
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What are nuclei (nucleus)?
cell bodies of neurons that are grouped together in central nervous system
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pathways, tracs, commisures
bundles of axons
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3.4.1 ATP: The medium of energy exchange
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Through what reaction is ATP synthesized?
With Pi = phosphor. -
What type of reaction is the formation of ATP?
A phosphorylation reaction, because phosphor is added. -
What are the 2 basic processes through which ATP synthesis occurs and what are the reaction formulas?
- Substrate-level phosphorylation:
- Oxidative phosphorylation:
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3.4.2 ATP in action
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Which energy is used to synthesize ATP and why?
The energy derived from glucose oxidation, because it occurs spontaneously due to its negative energy change. -
How many ATP is synthesized from one mole of glucose and give the formula?
1 mole of glucose releases 686 kcal energy, and 7 kcal of energy is required to synthesize 1 mole of ATP. Therefore glycolysis of 1 mole of glucose releases enough energy to make 98 moles of ATP. However, only 1/3 of this amount (38) is actually synthesized. -
3.5.1 Glycolysis
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What is gylcolysis and give the formula?
The splitting of sugar. Each glucose molecule (with 6 carbons) is broken down into 2 molecules of pyruvate containing 3 carbons each. -
Is oxygen consumed during glycolysis?
No, there is no oxygen consumed during glycolysis and therefore there is also no carbon dioxide produced. -
3.5.2 The Krebs cycle
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How many turns of the Krebs cycle are generated by the glycolysis of 1 glucose molecule?
1 glucose molecule produces 2 pyruvate molecules and therefore also 2 acetyl CoA molecules through the linking step. 1 acetyl CoA molecule participates in 1 complete turn of the Krebs cycle. ==> the glycolysis of 1 glucose molecule leads to 2 complete turns in the Krebs cycle.
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