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The cell

anatomy and physiology: the cell

what are the 5 characteristics of the cells reproduce, grow, need for nourishment, elimination of waste, respond
cell theory unit of life
basic cell structure consists of cell membrane, cytoplasm, the nucleus
the cell membranes function the membrane is semi-permeable; impermeable to most water soluble molecules
proteins intergral, peripheral; many proteins are enzyme
Microvilli fingers that increase the surface area; inside intestine
membrane junction tight junction, desmosomes, gap junctions
what are the two ways of movement through membrane active processes- require energy passive processes- no energy required
what are the 7 passive processes diffusion, simple diffusion, facilitated diffusion, osmosis, osmolarity, tonicity, filtration
what are the 2 active processes active transport(ATP), vesicular bulk transport
5 Types vesicular transport excoytosis, endocytosis, phagocyosis, pinosytosis, receptor
Cytoplasm consists of (3) cytosol, organelles, inclusions
cytosol Inclusions, Organelles viscous fluid substance of cytoplasm that is largely water with soluble proteins, salts and sugars
specific organelles microchondrdria- powerhouse of the cell
Created by: carolinegurnsey