B.2b Plant Processes Flashcards
1
Q
What are pores?
A
Tiny openings in a membrane that only allows some substances to pass through.
2
Q
What is concentration?
A
The amount of something in a substance.
3
Q
What is diffusion?
A
The movement of particles from an area of high concentration to an area of low concentration.
4
Q
What is the purpose of having pores in a membrane?
A
It only allows important to make it in and out of a plant cell.
5
Q
How is diffusion useful in a plant?
A
It allows carbon dioxide to move into plant cells and oxygen out of plant cells.
6
Q
What is passive transport?
A
Passive transport is transport in a plant that does not need energy like osmosis and diffusion.
7
Q
What is active transport?
A
Transport in a plant that needs energy
