Chapter 3 A& P.docx - Anatomy and Physiology Chapter 3 Cell...

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Anatomy and PhysiologyChapter 3Cell- smallest basic unit of life , closed spacePlasma Membrane, Cytoplasm, Organelles, Nucleus, Chanells – made of proteins, peripheral or integral (you can go out of) 3 main parts of cell– Nucleus, Cytoplasm, Plasma Membrane Cell has 2 types-Prokaryotic: no nucleus, with ribosomes -Eukaryotic: nucleusExtracellular Matrix: Helps with support, makes boundary to stop peripheral cell (once it hits matrix they know to stop)What makes it fluid? CholesterolIntegral Protein: From top to bottom, Chanel (allow things to go through)Non gated- stay open all the timeGated- only allow certain things to come through at certain time – Muscle Ligant- require ion – In muscle Voltaded Gated Channel- In nervesPeripheral Protein: Channel, carrier and receptor protein. Glycocalyx- Makes a layer, flimsy and loose Cell Marker (Glycoproteins)- Helps with communication through signals, Protection, Helps recognize things, specific in very individualsJunction- Meeting points of 2 cells.

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