939693
Beschreibung
Quiz von emmabrudenell, aktualisiert more than 1 year ago
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Erstellt von emmabrudenell
vor etwa 10 Jahre
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Frage 1
Frage
The main enzymes targets for regulation in the krebs cycle are:
Antworten
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citrate synthase and fumarase
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Aconitase, succinate dehydrogenase and fumarase
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citrate synthase, isocitrate dehydrogenase and alpha ketoglutarate dehydrogenase
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isocitrate dehydrogenase and alpha ketoglutarate dehydrogenase
Frage 2
Frage
Sodium fluoroacetate is...
Antworten
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part of the krebs cycle
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an enzyme in the krebs cycle
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A poison which disrupts the krebs cycle
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Naturally in the body and is an activator of the krebs cycle
Frage 3
Frage
Beriberi is a vitamin C deficiency characterised by neurological and cardiac symptoms
Antworten
- True
- False
Frage 4
Frage
Leigh's syndrome is a fatal neurodegenerative disorder caused by inherited faults in oxidative phosporylation. The pathology of the disease is bilateral lesions. Where are these found?
Antworten
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thalamus, Basal ganglia and brain stem and spinal cord
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thalamous, Basal ganglia and brain stem
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brain stem, basal ganglia and spinal cord
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spinal cord and brain stem
Frage 5
Frage
Electrons used in oxidative phosphorylation come from...?
Antworten
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NADH
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FADH2
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NADH and FADH2
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The cytosol of the mitochondrion
Frage 6
Frage
Complex two pumps out 2 hydrogen ions for every 2 electrons
Antworten
- True
- False
Frage 7
Frage
The krebs cycle can be regulated by hormones
Antworten
- True
- False
Frage 8
Frage
What is Beriberi?
Antworten
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A vitamin C deficiency- characterised by neurological and cardiac symptoms
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A vitamin b1 deficiency- characterised by neurological and cardiac symptoms
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A vitamin b1 deficiency- characterised by muscle wasting
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A vitamin C deficiency- characterised by muscle wasting
Frage 9
Frage
The main target for regulation in the krebs cycle is on the reactions that are reversible
Antworten
- True
- False
Frage 10
Frage
The PDH is inactive when bound to phosphate
Antworten
- True
- False
Frage 11
Frage
The PDH is required in the krebs cycle for the following reaction to take place; oxaloacetate+ acetyl CoA ---> citrate
Antworten
- True
- False
Frage 12
Frage
Which of the following are the steps which are regulated in glycolysis?
Antworten
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glucose to glucose-6-phosphate
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glucose-6-phosphate to fructose-6-phosphate
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fructose-6-phosphate to fructose-1,6-bisphosphate
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3-phosphoglycerate to 2-phosphoglycerate
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phosphoenolpyruvate to pyruvate
Frage 13
Frage
Arsenate will substitute for phosphate in 3- phosphoglycerate
Antworten
- True
- False
Frage 14
Frage
Arsenate is a bad because it makes the net ATP production from the krebs cycle be 0
Antworten
- True
- False
Frage 15
Frage
The net ATP production of glycolysis is 2
Antworten
- True
- False
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