is the basic structural and functional unit of all living organisms
The cell
5
what did robert hook use to observe the cell ................
cork
5
A cell was first discovered by
Robert hook
5
organisms with only one cell are called .........................
unicellular
5
He was the first to observe a living cell
Anton Van leeuwenhoek
5
What are the principles of the cell theory ?
All living organisms are composed of one or more cells , Cells are the basic unit of structure of all living organisms , Cells arise only from previously existi
5
kind of transport that diffuse down concentration gradient From (high) concentration to (low) concentration
Passive transport
5
uphill transport is called
Active transport
5
Energy is required for diffusion because the particles already are in motion ( T \ F )
F
5
The diffusion of water across a selectively permeable membrane
Osmosis
5
What kind of diffusion that substances uses transport proteins to move the substance across the plasma membrane