Ch. 4-6
Plastids
surrounded by two/three membranes
contain DNA
store
	starch
	fats
	pigments
types
	chloroplast
		system of membranous sacs (thylakoids)
			granum-stacks of thylakoids
		photosynthesis
		contain fat soluble pigment(chlorophyll-green)
		3 membranes
		Stroma
			cytoplasm inside
			contains enzymes needed for dark reaction
	chromoplasts
		store fat soluble pigments other than chlorophyll
			xanthophyll
				yellow golds
			carotenes
				red oranges
	leucoplast
		colorless
		"starch grains"
		store starch





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