447465
Beschreibung
Quiz von gina_evans0312, aktualisiert more than 1 year ago
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Erstellt von gina_evans0312
vor etwa 11 Jahre
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Frage 1
Frage
Why is human african tropanomosis so common?
Antworten
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Most drugs are outdated
-
Most drugs have severe side effects
-
Most drugs are incredibly expensive
-
Most drugs cannot be used on the immunocompromised
Frage 2
Frage
The cause of Human African Tropanomosis is a virus known as Tropanosome
Antworten
- True
- False
Frage 3
Frage
Tropanosomes contain 1 mitochondria that depends on what for energy?
Antworten
-
Glycerol-3-Dehydrogenase
-
Succinate Dehydrogenase
-
NADH Dehydrogenase
-
Malate Dehydrogenase
Frage 4
Frage
The enzyme that tropanosomes rely on allows glycolysis to continue indefinitely
Antworten
- True
- False
Frage 5
Frage
What other components make up the tropanonsome's mitochondria?
Antworten
-
Alternative Oxidase
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Quinol
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Cytochrome C
-
Cytochrome BC1 complex
Frage 6
Frage
How does Alternative Oxidase get its energy source?
Antworten
-
Glucose in the blood plasma
-
Glucose in the infected red blood cell
-
Glucose from other blood proteins
Frage 7
Frage
Cryptosporidium Parvum can only become fatal to the immunocompromised
Antworten
- True
- False
Frage 8
Antworten
-
Cryptosporidium parvum cysts
-
Cryptosporidium parvum oocysts
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Cryptosporidium parvum oocytes
Frage 9
Frage
Which of the following are characteristic of Alternative Oxidase?
Antworten
-
Membrane bound
-
Cytoplasmic
-
Reduces O2 to H2O
-
Reduces O2 to H2O2
-
No absorption about 340nm
Frage 10
Frage
Alt. Ox. is a 34kDa monomer
Antworten
- True
- False
Frage 11
Frage
Why does Alt. Ox. not absorb above 340nm?
Antworten
-
It contains no Cyt's or Fe-S
-
It contains no chromosomes
-
It contains no Cty's or Flavins
Frage 12
Frage
To activate, Alt. Ox must form a dimer
Antworten
- True
- False
Frage 13
Frage
What is particular about Rubreythrin?
Antworten
-
It is the olden protein yet sequenced - 4 billion years old
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It's the smallest protein yet sequenced - just 40 aa long
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It's the largest protein yet sequenced - 400,000 kDa
Frage 14
Frage
Only 6 aa in Alt. Ox have been conserved, relating it to other di-iron proteins
Antworten
- True
- False
Frage 15
Frage
The conserved sequence of Alt. Ox. codes for amino acids holding what?
Antworten
-
Iron
-
Magnesium
-
Copper
-
Sodium
Frage 16
Frage
Which of the following list characteristics of Alt. Oxidase?
Antworten
-
Sits horizontally in the membrane
-
Sits vertically in the membrane
-
Made of 2 chains, almost entirely of alpha helices
-
Made of 3 chains, almost entirely of alpha helices
-
Made of 2 chains, almost entirely of beta sheets
Frage 17
Frage
2 Alpha helices dock Alt. Ox in the membrane
Antworten
- True
- False
Frage 18
Frage
How does the substrate get to Alt. Ox's active site?
Antworten
-
Through a hydrophobic cavity
-
It is 'caught' by alpha helices extending into the cytoplasm
-
It uses membrane phospholipids which move through it
Frage 19
Frage
The following shows the core of Alt. Oxidase- what's contained in it?
Image:
Alt._Ox._Core (image/png)
Antworten
-
2 Fe atoms
-
2 Cu atoms
-
Linked by hydroxyl groups
-
Linked by amide groups
-
From 4 leucine residues
-
From 4 glutamine residues
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And 2 Histadine &1 Tyrosine residues
Frage 20
Frage
The Histadine/Tyrosine residues can be used to inhibit Alt. Ox
Antworten
- True
- False
Frage 21
Frage
To travel through the channel and reach the active site, inhibitors must be...
Antworten
-
Hydrophobic
-
Hydrophillic
Frage 22
Frage
Different co-ordinations of the aa in the Alt. Ox core can alter the function of it
Antworten
- True
- False
Frage 23
Frage
Alt. Ox. is a terminal respiratory chain oxidase
Antworten
- True
- False
Frage 24
Frage
Where is Alt. Ox found, in infected humans?
Antworten
-
Between Complexes 1 & 2
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Between complexes 2 & 3
-
Between complexes 3 & 4
Frage 25
Frage
Alternative Ox is used as a stress protein in pathogens, and an oxygen scavenger in plants
Antworten
- True
- False
Frage 26
Frage
Which of the following use Alt. Ox?
Antworten
-
American/Asian Skunk Cabbage
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Dead Horse Arum
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Sacred Lotus
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