BCH210 Section 2 Questions With Complete Solutions
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Course
BCH210
Institution
University Of Toronto (U Of T
)
Direction of phospholipid movement in flippases? correct answer: Outer to inner leaflet
Moves PE (neutral) and PS (-1)
Direction of phospholipid movement in floppases? correct answer: Inner to outer leaflet
Function of Scramblase correct answer: Increases membrane SYMMETRY
Moves phosph...
bch210 section 2 questions with complete solutions
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University of Toronto (U of T
)
BCH210
BCH210
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BCH210 Section 2 Questions
With Complete Solutions
Direction of phospholipid movement in flippases? correct
answer: Outer to inner leaflet
Moves PE (neutral) and PS (-1)
Direction of phospholipid movement in floppases? correct
answer: Inner to outer leaflet
Function of Scramblase correct answer: Increases membrane
SYMMETRY
Moves phospholipids down their conc gradient
Result of adding crosslinkers into cell membrane for FRAP
correct answer: Slows down diffusion of phospholipids; slower
recovery rate
Entropy of lipids [?] when lipids aggregate in water. correct
answer: Decrease. More ordered lipids.
Entropy of water [?] when lipids aggregate in water. correct
answer: Increase. Lipid aggregation displaces water molecules.
Signature Seq of amphipathic helix correct answer: Alternating
2 P and 2 NP AAs
Ex: P-P-NP-NP-P-P-NP-NP-etc etc
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