8.1 (6) Flashcards
1
Q
Cell
A
Basic unit of all forms of life.
2
Q
Cell theory
A
Fundamental concept of biology that states that all living things are composed of cells; that cells are the basic units of structure and function in living things, and that new cells are produced from existing cells.
3
Q
Cell membrane
A
Thin flexible barrier that surrounds all cells; regulates what enters and leaves the cell.
4
Q
Nucleus
A
In cells, structure that contains the cells genetic material in the form of DNA.
5
Q
Eukaryote
A
Organism whose cells contain a nucleus.
Multicellular
Membrane bound organelles
6
Q
Prokaryote
A
Unicellular organism that lacks a nucleus.
Unicellular
Cell Wall
Flagella
Cilia
Free floating DNA