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cells (cell parts (active transport pumps (endocytosis (used for intake),…
cells
cell parts
cell membrane
defined boundry that possesess a definite shape and allows material in and out of the cell
active transport pumps
endocytosis
used for intake
exocytosis
transport out of cells
requires additional energy
nucleous
brain of cell
dictates activities of other organells in cell
Cytoplasam
gel like substance composed of water nutriends and electrolytes
looks like an egg white
required for internal invirotment
nucleolus
spherical body made of dense fibers found in cells nucleus
synthesis rna
ribosomes
organells found on endo reticulum or in cytoplasam
made of rna
cite for protien synthesis
centrosomes
Building contractor
mitochondria
tiny bean shaped organells act as power plant provides energy
power house of the cell
endoplasmic reticulum
seris of channels set up in cytoplasam
rough
protien
smooth
lipids and steriods
golgi apparatus
flattened sacs
storage
lysomes
clean up debris
Disorders
Cystic fibrosis
incursable fatal genetic disease affecting 1/3000 white babies
caused by malfunction in membrane channels for chloride and sodium ions
sodium and chloride do not mix well
fluid becomes extreamly salty
familial hypercholesterlomia
blood cholestoral too high caused by poor diet or is inheritied
ldl bad cholesteral
sever HA and Stroke in minors
tay sachs
common in jews and middle easterns
enzyme is missing in lysomes of nervous system
buildup of glycoprotiens
Diabeteus mellitus
relationship between membrane transort
2 types
type one
insulin dependant
immune system attacks and destroys cells in pancreas
daily insulin
type 2
cells stop responding to insulin
pku
Transport meathods
Diffusion
substance from a higher conventration to area of lesser concentration
EX powdered drinks
moves oxygen from lungs to blood stream
Osmosess
water tends to travel accross a membrane to equalize concentration of a solute
filtration
pressure is applied to force water and it's disolved materials across or through a membrane
crowd of people
filtration diffusion
variation in which substance is being helped moved
often glucose
Discovery
robert hooke 1800s
through microscope
named after monk cells
mitosis
4 stages
prophase
nucleus disappers
metaphase
chromosomes line up
anaphase
chromosomes split
telophase