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human bio chap 3


what is the 6 functions of cells? Basic unit of life, Protection and support, movement, communication, cell metatbolism and energy release, and inheritance.
What are organelles? any of a number of organized or specialized structures within a living cell.
cell membrane/ plasma membrane? cell membrane- the semipermeable membrane surrounding the cytoplasm of a cell
extracellular substance? situated or taking place outside a cell or cells
intracellular substance? located or occurring within a cell or cells
mosaic model? moving model through the membrane.
What is a nucleus? power house and brain of the cells.
what is nucleolus? a small dense spherical structure in the nucleus of a cell during interphase.
What is Rough ER? it has ribosomes attached to it
What is Smooth ER? it has no ribosomes attached to it
Created by: Timothhy Angell