BIO 100 Lecture Notes - Lecture 7: Cell Membrane, Insulin, Osmosis

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8 Feb 2017
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Lecture 7
Recognition Proteins continued...
o Rh proteins are basically just whether your negative or positive blood type
o All 0+ can have 0+ and 0-
o B+ can have = O- O+ B-
Can have any B and any O just no A’s
o AB- can have = A- B- AB- O-
anything negative
o AB+ can have =
Anything
Receptor Proteins:
o Dopamine
o Insulin
Insulin allows your body to make sugar
o HIV receptor protein on the white blood cell
Movement Across the plasma Membrane
o Passive Transport
No ATP Required
Energy
Goes to an area of high concentration to low concentration and
eventually balances themselves out if possible
Diffusion
Ex: Air particles, always in motion same with water, same with
membranes, oxygens cross through cells with diffusion
In most organisms (including us) why is oxygen going to remain higher in
the environment than inside your cells? ******
o Active Transport
ATP Required
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