Mitochondria - energy-producing organelles -outer and inner membranes -mitochondrial matrix -mitochondrial DNA -free ribosomes
Chloroplast -outer and inner membranes -granum(a) -thykaloid -chloroplast DNA -stroma
Cytoskeleton -fibers (made of proteins such as tubulin, actin, keratin) -rebars and roadway of the cell -microtubules, microfilaments, intermediate filaments -attaches to membrane and other parts of cell -vesicles move along microtubules (motor proteins powered by ATP) -centrioles (centrosome) aid in cell division
Communication between Cells -tight junctions between cells prevent fluid movement -intermediate filaments on cell surface -Desmosome
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