The Cell In Its Environment Flashcards
0
Q
Diffusion
A
The process by which molecules tend to move from an area of higher concentration to an area of lower concentration
1
Q
Osmosis
A
The diffusion in water
2
Q
Selectively permeable
A
Means letting some but not all substances pass through
3
Q
Active transport
A
The movement of materials through a cell membrane using energy
4
Q
Passive transports
A
The movement of the some materials through a cell membrane without using energy
5
Q
What are two types of active transport?
A
Transport by proteins and transport by engulfing
6
Q
State why cells are small
A
Cells are small because if cells where larger in size, then it would take much longer for the molecule to move