double membrane that surrounds the nucleus, made up of the outer membrane that is continuous with the endoplasmic reticulum, and the inner nucleus membrane.
Nuclear pores
Allow movement of large molecules (eg. mRNA) out of the nucleus, usually 3000 pores per nucleus
Nucleoplasm
Jelly-like substance which makes up the bulk of the nucleus
Chromosomes
Super coiled and condensed DNA and histones
Chromatin
DNA wrapped around a histone
Nucleolus
Small darkpatch on the nucleoplasm, contains RNA, makes rRNA and assembles the ribosomes