Quiz 12/21/12 Flashcards
(17 cards)
Stores material with in the cell
vacuole
The site of protein synthesis
ribosomes
Transport materials within the cell
ER
The region inside the cell except for the nucleous
cytoplasm
Organelle that manages or controls all the cell functions in a eukaryotic cell
nucleous
digests excess or worn-out parts, food particles and invading viruses and bacteria
lysososome
provides temporary storage for food, enzymes and waste products
vacuole
firm, protective structure that give the cell its shape in plants, fungi, most bacteria and some protests
cell wall
produces a usable form of energy for the cell
motochondria
packages proteins for transport out of the cell
golgi body
site where ribosomes are made
nucleolus
the membrane surrounding the cell, controls what goes in and out
cell membrane
consists of hollow tubes which provide support for the cell
cytoskelton
what is the cell theory
- All living things are composed of cells.
- Cells are the basic units of structure and function in living things.
- New cells are produced from existing cells.
what is diffusion
The spreading of something more widely.
What is the difference between a procaryotic and uecaryotic cell
prokaryotic cells do not have a nucleous and the eucaryotic cells do
what is osmosis
The tendency of molecules of a solvent to pass through a semipermeable membrane from a less concentrated solution into a more concentrated solution