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Cellular membrane
a barrier in the cell that controls substance movement, facilities communication, and structural support
Diffusion
Movement of molecules from an area more concentrated to an area less concentrated
semi-permeable
allows certain substances pass through the phospholipid bilayer
simple diffusion
substances allow small molecules to pass through the phospholipid bilayer
facilitated diffusion
allows hydrophilic substances and removes harmful organisms
osmosis
diffusion of water across a semi-permeable membrane of high concentration of water to a low concentration of water
active transport
movement of molecules or ions across a cell membrane from a lower concentration to a high concentration
bulk transport
process that moves large molecules fluid molecules and particles
endocytosis
brings in substances into the cell and removes harmful bacteria living in the cell
exocytosis
removes substances like waste from inside the cell which is the way nerve cells can send signals
ATP
a source of energy that cells use and produce. It stands for Adenosine Triphosphate
transports that use energy
exocytosis
endocytosis
diffusion
active transport
bulk transport
differences between plant and animal cells
differences:
plant cells have cell walls while animal cells donāt
plant cells have chloroplasts while animal cells donāt
plant cells have central vacuole while animal cells do not
plant cells have cytosol while animal cells do not
Similarities:
they both have nucleous
they both have golgi bodies (or golgi apparatuses)
they both have mitochondria
they both have ribosomes
fluid mosaic model
a fluid mosaic model is a model that shows us briefly how the cell membrane works and the structure of the membrane
what is the name of the jelly-like substance that is inside the cell
cytoplasm
where is dna stored
dna is stored in the nucleous
Note 
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