cell theory and surface area to volume ratio

Question 1

the three concepts of cell theory

Answer 1

1. all cells come from pre-existing cells, 1860
2. cells are the basic unit of structure and organizations of all organisms, 1840
3. all organisms are composed of one or more cells, 1840

Question 2

talk about sa:v

Answer 2

when a cell grows its volume increases faster than its surface area, this cause the cell to divide to survive because otherwise its metabolic needs would overwhelm its ability to exchange materials.

Question 3

what depends by wich: metabolism and exchange

Answer 3

metabolism: volume
exchange of materials: surface area