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23 Cards in this Set

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Cytoplasm
semefluid matric ( fills the enterior of the cell)
Plasma Membrane
lipid bilayer surrounding the cell
Gram Stain
All bacteria can be classified based on the differences in it cell wall
Flagelle
long thread like structures, used to move bacteria through the enviorment
peptoglyogin
Bacterial call wall is made of
Central Vacuole
large membrane sac bound; stores protiens, pigments and waste materials
Nuclear Pores
Depressions where the inner and outer membrane pinch together
Cristae
inner membrane (folded membrane) has many inside it
Matrix
Space inside the enter memebrane
Thylakoids
Disk shapped structures, have photosynthetic pigments on the surface
Stroma
fluid matrix surrounding the thylakiods
Phospholipids
form bilayer sheets in water, have one hydrophilic head and one hydro phobic Tail
Phospholipid Bilayer
layer in which all other membrane components are embedded. provides flexible matrix, and is a barrier to other molecules
Transmembrane Proteins
proteins that are embedded in the lipid bilayer. provide passage ways for molecules to pass in and out of the cell
Fpr
Interior Protein network
provide support and reinforce the membrane’s shape
Cell surface Markers
act as identifying markers for cells, different cell types have different markers
Diffusion
dissolved molecules
solvent
the medium in which a solute is dissolved
solute
a molecule that is dissolved in a solvent
osmois
the diffusion of water; water will move from the side with the lower concentration of solute to the side with the higher concentration of solute
Hypotonic solution
has a lower concentration of solutes than a cell has inside it
Put a cell in a hypotonic solution it will GAIN water and swell
Hypertonic solution
has a higher concentration of solutes than a cell has inside it
Put a cell in a hypertonic solution it will LOSE water and shrink
Isotonic solution
has a equal concentration of solute as a cell has inside it
Put a cell in an isotonic solution and nothing happens, water passes in and out equally