Cell Definitions Flashcards
1
Q
Diffusion
A
The movement of molecules from an area of high concentration to low concentration
2
Q
osmosis
A
the movement of water through a semi-permeable membrane
3
Q
cell membrane
A
- regulates what goes in and out of the cell
- holds the cell together
4
Q
vacuole
A
- the storage area of the cell
- it contains water and some other substances
5
Q
mitochondria
A
- the powerhouse of the cell
- makes energy in the form of ATP (Adenosi triphosphate)
6
Q
chloroplasts
A
- double membrane, found in plants
- contains chlorophyll for photosynthesis
7
Q
lysosome
A
- the “stomach” of the cell
- contains enzymes, helps to digest food and break down old cells
8
Q
endoplasmic reticulum
A
- elaborately folded network of tubules
- involved in transportation of substances
- contains ribosomes (beads)
9
Q
ribosomes
A
assemble proteins for growth and repair
10
Q
nucleus
A
brain of the cell
- controls all acitivities of the cell
- reproduction of the cell (heredity)
11
Q
chromosome
A
DNA
12
Q
golgi apparatus
A
packages substances for transport
- creates vesicles
13
Q
cytoplasm
A
fluid part of the cell
