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Animal Cell, a greater concentration of cholesterol also contribute -…
Animal Cell
Plasma Membrane
functions of plasma membrane
outer boundary
splits 2 body fluid compartments
parts of plasma membrane
phospholipids
parts of phospholipids
Hydrophilliac polar head
hydrophobic nonpolar tail
function of hydrophobic nonpolar tail
fatty acids
Saturated phospholipids
dynamic assembly of these create lipid rafts
lipid rafts
unsaturated phospholipids
has at least one double bond
allows kinks in hydrophobic tails
increases fluidity in hydrophobic tails
functions of phospholipids
cholesterol
parts of cholesterol
Steroid ring structure
Hydrocarbon Tail
Hydroxyl Group
functions of cholesterol
20% of plasma membrane
inserts between phospholipid tails
stabilizes membrane
decreases membrane fluidity
proteins
functions of proteins
membrane proteins
Cytoplasm
cell organelles
Nucleus
Functions of the Nucleus
stores DNA
controls activities of cell
directs protein synth by sending out mRNA
helps cell division by organizing replication of DNA
functions of cytoplasm
supports the maintaining of cell shape
acts as medium for movement and chemical reactions
facilitates metabolic processes
enables transport of materials within the cell
Golgi Apparatus
functions
proccesses protiens and lipids
sorts protiens and lipids
packages protiens and lipids
prepares protiens and lipids for transport
parts of golgi apparatus
cisternae
Vesicles
Cis face
trans face
cell membrane
functions of cell membrane
controls what enters and leaves
provides protection and support to the cell
allows communication with other cells
maintains cell shape
helps cell adhesion
parts of cell membrane
carbohydrates
Protiens
Cholesterol
Phospholipid bilayer
Mitochondria
functions
produces energy
regulate cell metabolism
help control cell growth
plays a role in apoptosis
parts
outer membrane
inner mem
Cristae
matrix
intermembrane space
a greater concentration of cholesterol also contribute