chapter 2: cells Flashcards
1
Q
unicellular
A
a single cell that carries out all of the lives functions.
2
Q
cell specialization
A
cells throughout the organism develop diff ways to perform diff tasks
3
Q
organelles
A
a structure inside the cell that is surrounded by a membrane and performs a specific function.
4
Q
cell membrane or cell plasma
A
phospholipid a thin layer of protein and lipid that surrounds the cell.
5
Q
cytoplasm
A
The material between the cell membrane and nucleus. the semi-fluid substance consists mainly of water and organic compounds.
6
Q
nucleus
A
The control centre of the cell
7
Q
cell wall
A
tough outer covering made of a cell made of cellulose
8
Q
mitochondria
A
The power plant of the cell-Has its own DNA.
9
Q
cell theory
A
- all organisms are composed of one or more cells
- the cell is the basic unit of life and organization
- all cells come from pre-existing cells.