1.2 Cells - The Basic Unit Of Life Flashcards
1
Q
List the characteristics of life (MRSGREND)
A
M - movement R - respiration S - sensitivity to stimuli G - growth R - reproduction E - exertion of waste N - nutrition D - DNA
2
Q
Three tenets of cell theory
A
- all organisms are made up of cells
- The cell is the basic/smallest structural and functional unit of life.
- All cells come from existing cells (biogenesis)
3
Q
Characteristics of prokaryotic cells
A
No membrane bound organelle, no nucleus, smaller in size/simple
4
Q
Characteristics of eukaryotic cells
A
DNA in nucleus, membrane-bound organelles, complex
5
Q
Distinguish between prokaryotic and eukaryotic cells.
A
Prokaryotic cells lack a nucleus and have free-floating DNA, whereas eukaryotic cells have a defined nucleus that contains the DNA of the cell.
6
Q
Examples of prokaryotic cells
A
Archaea, bacteria,
7
Q
Examples of eukaryotic cells
A
Animal cells, plant cells, fungal cells, protists
