Cell Ultrastructure

Nucleus

Contains genetic information of cell

Cell Surface Membrane

Controls what enters and leaves the cells

Holds all the membrane bound organelles

Mitochondria

Site of respiration for the cell

Releases energy

Contains mitochondrial DNA

Lysosomes

Digests unrepairable/dead organelles

Nuclear Envelope

Has nuclear pores to allow things like RNA to leave the nucleus

Controls what leaves the nucleus

Nucleolus

Assists in ribosome assembly

Centrioles

used in DNA replication

produces spindle fibres

Cytoskeleton

Maintains mechanical structure of cell

Aids organelle transport within the cell

Rough Endoplasmic Reticulum

Synthesis of proteins

Contains a lot of ribosomes

Smooth ER

Synthesis of lipids

Golgi Apparatus

Synthesis of lipids

Modifies and packages proteins

Vesicles - aid transport of things like proteins in the cell

Chloroplasts

makes chlorophyll

used in photosynthesis

Permanent vacuole

Contains sap