Gabriela Bernal
[email protected]
BIOC/BIOL 2200
8
408 MacOdrum Library
Wednesday 12:00 – 1:00
Opener: SODIUM POTASSIUM PUMP VIDEO
Activity 1: Membrane Function:
Function
Communication
Energy transduction
Description
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Selectively permeable
membrane
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Activity 2: Lipids and the Plasma Membrane
(a) What are the Three General classes of membrane lipids
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Example
Nuclear envelope
Cell adherance
Gabriela Bernal
[email protected]
BIOC/BIOL 2200
8
408 MacOdrum Library
Wednesday 12:00 – 1:00
(b) Give a brief description and an example of the following lipids, for phospholipids name at
least 3 mentioned in lecture.
Glycerophospholipid:
Phospholipid:
Cholesterol:
Sphingolipids:
(c) Label and define the structures that are indicated in the picture. What does this picture
show?
Gabriela Bernal
8
[email protected]
408 MacOdrum Library
Wednesday 12:00 – 1:00
BIOC/BIOL 2200
Activity 3: Types of Membrane Transport:
Type of Transport
Protein
Carrier
Saturation
Movement
w.r.t. gradient
Energy input
Channels and Pores
No
Down
Yes
Down
Yes (direct source)
Yes (ion gradient)
Differentiate Between:
Uniport, symport, antiport:
Carriers vs. channels:
Passive Transport vs. Diffusion:
Activity 4: SODIUM POTASSIUM PUMP:
Make a diagram and briefly describe the steps of the Na+/K+ pump
Closer: Metabolism Q&A