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cell wall
made of cellulose
provides shape and rigidity
protects cell from osmotic swelling
allows for rapid cell expansion
vacuole
stores water, ions, nutrients
degrades macromolecules (contains enzymes and has acidic pH)
functions in cell elongation/growth
chloroplasts
double membrane, own DNA
network of internal membrane bounded sacs/vesicles (thylakoids)
thylakoids contain chlorophyll (green pigment)
thylakoids form stacks — grana
grana are embedded in the stroma (aqueous matrix)
carries out photosynthesis which produces ATP and carbohydrates
plasmodesmata
tubes that span cell wall
connect cytoplasm of adjacent cells
starch granule
temporarily stores carbohydrate products of photosynthesis
glyoxysome
contains enzymes of glyoxylate cycle
oxidise stored lipids
similar to peroxisomes