Word list F Unit 3 lesson 1-2 (NUMS)

Front

The smallest functional and structural unit of all living organisms

Back

cell

Front

any living thing

Back

organism

Front

a protective layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment

Back

cell membrane

Front

a fluid that holds all of the cell organelles made of mostly water

Back

cytoplasm

Front

a small body in a cell's cytoplasm that is specialized to perform a specific function

Back

organelle

Front

The organelle that controls the cell and holds DNA

Back

nucleus

Front

A single celled organism that does not have a nucleus or membrane-bound organelles

Back

prokaryote

Front

An organism made up of cells that contain their DNA in a nucleus.

Back

eukaryote

Front

the basic unit of a chemical element

Back

atom

Front

a group of atoms that are held together by chemical bonds

Back

molecule