Chapter 4 - Cell Structure Flashcards
1
Q
Who proposed the cell theory
A
Schleiden and Schwann
2
Q
Who discovered cells
A
Robert Hooke
3
Q
Why is cell size limited
A
This is because as cell size increases, it takes longer for materials to diffuse from the cell membrane to the interior of the cell.
Surface area-to-volume ratio: as the cell increases in size, the volume increases 10X faster than the surface area
4
Q
What is the cell theory
A
All organisms are composed of cells
Cells are the smallest living things
Cells arise only from preexisting cells
