Question

Which of the following is a good representation of the cell theory?

Question 1 options:

All cells are the same


Cells are able to make new organisms


Cells are independent structures


All cells are produced from existing cells

Answer 1

@AloneS

Answer 2

Cell Theory:
1. All living organisms are made up of cells
2. The cell is the basic unit of life
3. All cells come from pre-existing cells through cell division

Discovery of the Cell:
Robert Hooke
- English scientist
- discovered cells while looking at a thin slice of cork (1665)
- described the cells as tiny boxes or a honeycomb
- thought that cells only existed in plants and fungi
Antoine van Leeuwenhoek
- used a handmade microscope to observe pond scum and discovered unicellular organism (1673)
- called them “animalcules”
Robert Brown
- noticed that pollen grains in water jiggled around called “Brownian motion”
- discovered the nucleus (1827-33)
Matthias Schleiden
- German scientist
- botanist who concluded that all plants are made of cells (1838)
Theodor Schwann
- German scientist
- zoologist who concluded that all animals are made of cells (1839)
Rudolph Virchow
- German scientist
- physician who did research on cancer cells and concluded, “Omnis cellula e cellula” or “All cells are from other pre-existing cells”

Hope this helped!