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CELL ORGANELLES (Other organelles have various functions (vacuole (large…
CELL ORGANELLES
Internal Structure
cytoskeleton
supports and shapes cell
helps position and transport organelles
provides strength
assissts in cell division
aids in cell movement
Several organelles are involved in processing proteins.
nucleus
controls activities of the cell and stores genetic information
nucleolus
dense area that makes ribosomes
nuclear membrane
double membrane that surrounds the nucleus
nuclear pores
holes in the nuclear membrane that allow ribosomes to pass through
endoplasmic reticulum (ER)
ribosomes
make protein
unattached ribosomes
make proteins for the cell
smooth ER
makes lipids
rough ER
has ribosomes attached to it; helps make proteins that leave the cell
vesicles
sacs that carry molecules from place to place in the cell
Other organelles have various functions
mitochondria
supply energy to the cell in the form of ATP
vacuole
fluid-filled sacs that hold materials such as water, nutrients, and waste
large central vacuole
plant cells
small vacuoles
animal cells
lysosomes
contains enzymes to digest material
helps keep cell clean
centrioles and centrosomes
centrioles are tubes found in centrosomes
centrioles
help in cell division
organize microtubules to form cilia and flagella
cilia and flagella help in movement
cilia
hair-like projections
flagella
whip-like
plant cells
cell wall
provides rigid support
central vacuole
chloroplast
convert solar energy to chemical energy (photosynthesis)