What is a small, dense region within most nuclei in which the assembly of proteins begin?

Cell membrane
Thin,flexible barrier around a cell;regulates what enters and leaves the cell

Centriole
One of two tiny structures located in the cytoplasm of animal cells;helps with cell division

Chloroplasts
Organelle unique mostly to plant cells that converts sunlight into usable energy for the cell

Chromatin
Granular material visible within the nucleus ; consists of DNA tightly coiled around proteins

Cytoplasm
Material inside the membrane-not including the nucleus

Endoplasmic reticulum
Internal membrane systems in which lipid components of the cell membrane are assembled and some proteins are modified

Eukaryote
Organism who's cells cobtain nuclei

Golgi apparatus
Stack of membranes in the cell that modifies,sorts and packages proteins from the endoplasmic reticulum

Lysosome
Cell organelles filled with enzymes needed to break down certain materials

It is platinum in the market value