2A. Cells Flashcards
1
Q
3 principles of cell theory
A
- All living things are made of cells.
- Smallest unit of life
- Cells come from pre-existing cells.
2
Q
Prokaryotes…
A
lack membrane bound organelles, lack defined nucleus, have circular chromosomes, divide by binary fission, only single celled.
3
Q
Eukaryotes…
A
Contain membrane bound organelles, have defined nucleus, have multiple linear chromosomes, divide by mitosis and meiosis.
4
Q
Prokaryotes are what cells
A
Bacteria
5
Q
Eukaryotes are what cells
A
Animal, plant and fungi
6
Q
Membrane-bound organelles include:
A
Every organelle except ribosomes, cell wall and cytoskeleton.
7
Q
Evidence of being a living thing (think: MRS GREN)
A
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition