Module 2 - The 3 Theories Flashcards
Cells, Chemical for Life, Transport and Gas Exchange
1
Q
Theory of compartmentalisation (1)…
A
- Applies to all eukaryotic cells.
- A system of membranes enables the internal contents of the cell to be subdivided into distinct structures called organelles.
2
Q
Theory of compartmentalisation (2)…
A
- Each organelle is highly specialised for it’s own specific function.
- The process of forming internal compartments is an example of ‘Division of Labour’.
3
Q
Cell theory (1)…
A
- A cell is the basic unit of all life forms.
- All living organisms are made up of one cell (unicellular) or more than one cell (multicellular organisms).
- Metabolic processes occur inside living cells.
4
Q
Cell theory (2)…
A
- All new cells are derived from pre-existing cells.
- Cells possess genetic material which can be passed on to their daughter cells.
- A cell is the smallest unit of an organism capable of surviving independently.
5
Q
The endosymbiotic theory (1)…
A
-Infoldings in the plasma membrane of an ancestral cell gave rise to endomembrane components, including a nucleus and endoplasmic reticulum.
6
Q
The endosymbiotic theory (2)…
A
-The ancestral eukaryote consumed aerobic bacteria that evolved into mitochondria - remaining in the cell.
7
Q
The endosymbiotic theory (3)…
A
-The alternative (plant cell), the early eukaryote consumed photosynthetic bacteria that evolved into chloroplasts.
8
Q
Founding:
A
1665 - Robert Hooke (Micrographia) 1674 - Anton Van Leeuwenhoek 1831 - Robert Brown 1838 - Matthias Schleiden 1839 - Theodor Schwann 1855 - Rudolf Virchow 1864 - Louis Pasteur
