Exercise: Plant Structure

Questions for: Plant Structure

Which of the following statements about the outer mitochondrial membrane is not true?
A:
The outer membrane is impermeable to hydrogen ions
B:
The outer membrane is highly permeable to substances of small molecular weight
C:
The outer membrane is about 50% lipid and 50% protein by weight
D:
The outer membrane contains porins
Answer: A
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The cell membrane is made up of
A:
lipoproteins
B:
cellulose
C:
phospholipids
D:
phosphoproteins
Answer: A
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If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?
A:
Cytochrome c red
B:
Cytochrome c peroxidase
C:
Ubiquinol (UQH2)
D:
Cytochrome c oxidase
Answer: C
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The composition of the inner mitochondrial membrane is most like that of
A:
the outer mitochondrial membrane
B:
the cell's plasma membrane
C:
some bacterial plasma membranes
D:
the nuclear membrane
Answer: C
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If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is
A:
fatty acid
B:
steroid
C:
glycogen
D:
glycerol
Answer: D
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