Nucleus - by Skye

major, centrally located spherical cellular component.

bounded by two nuclear membranes; "nuclear envelope".

nuclear envelope encloses space between 2 nuclear membranes.

nuclear envelope separates nucleus & cytoplasm.

encloses nucleoplasm. (thick jelly like fluid in nucleus).

contains nuclear pores

nucleopores help in transfer of materials between cytoplasm and nucleoplasm.

nucleoplasm contains nucleolus and chromatin material.

nucleolus is rich in RNA. (ribonucleic acid)

helps in formation of ribosomes

rich in protein (factory of ribosomes)

thin, thread like mass of chromosome material

composed of genetic material DNA (deoxyribonucleic acid) and proteins.

formed by nucleosomes, each with a DNA molecule coiled around .

DNA stores info for the cell to function, to grow, to reproduce

distinct segments of DNA are called "genes"

chromatin condenses and forms a thick ribbon like chromosome during cell division.

controls all metabolic activities in a cell

regulates the cell cycle

transmits hereditary traits