Membrane Transport&Membrane Potential

Membranes and Transport (Keeping the in in and the out out) www.freelivedoctor.com

Lipid Aggregation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Lipid Structures In water www.freelivedoctor.com

Fluid Mosaic Model of Cell Membranes www.freelivedoctor.com

Fluid Mosaic Model of Cell Membranes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Membranes Assymetrical ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Transport across the membrane ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Diffusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Active Transport ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Active Transport www.freelivedoctor.com

Sodium Potassium Pump ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Voltage Gated Channels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Voltage Gated channel www.freelivedoctor.com

Endocytosis ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Receptor Mediated Endocytosis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Receptor Mediated Endocytosis www.freelivedoctor.com

Clathrin Pits www.freelivedoctor.com

Receptor - Mediated Signal Transduction ,[object Object],[object Object],off on www.freelivedoctor.com

Signaling molecules may trigger ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Second messengers ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Hormones and G-Proteins www.freelivedoctor.com

cAMP as a secondary messenger ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Phosphorylase Cascade www.freelivedoctor.com

Physiological Effects Communicated by cAMP www.freelivedoctor.com Epinephrine Skeletal muscle Glycogen degradation Adipose tissue Triacylglycerol degradation Heart Increased heart rate Intestine Fluid secretion Smooth muscle Relaxation: (Ca 2+ ) Glucagon Liver Glycogen degradation Blood platelets Inhibition of secretion Adipose Decreased triacylglycerol degradation

What is a popular habit-forming molecule and how does it affect cAMP? (hint…every morning!) www.freelivedoctor.com

Caffeine ,[object Object],[object Object],www.freelivedoctor.com

Ca 2+ as a secondary messenger ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Phosphatidylinisitol 4,5 biphosphate (IP 3 ) as a secondary messenger ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Membrane Transport&Membrane Potential

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