Ch. 4-6

Nucleus
most prominent structure
Structure
	nuclear matrix
		protein skeleton
		maintains shape
	nuclear envelope
		double membrane
	chromatin
		DNA and Protein
		mitosis(meiosis)
			coil up
			become densely packed
			form chromosomes
	nuclear pores
		RNA passes through
		small holes in nuclear envelope
	nucleolus
		small spherical area
		ribosomes are synthesized & partially assembled
	nucleoplasm
		cytoplasm inside
		nutrient rich
		bathes nucleus with
			food
			water
			ATP
Functions
	stores hereditary info
	RNA is copied from DNA





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