Lecture 1 Flashcards
1
Q
5 fundamental characteristics of living organisms
A
- Cells
- Energy
- information
- replication
- evolution
2
Q
what are cell membranes made of?
A
phospholipids
3
Q
micelles
A
Heads face the water and tails face each other
4
Q
Phospholipid bilayers (lipid bilayers)
A
Heads and tails align to make a double layer of phospholipids
5
Q
Liposomes
A
Spherical structures made by phospholid bilayers
6
Q
Cell
A
-smallest unit of life
- self-replicating
- membrane bound structure
- maintain homeostasis
7
Q
Homeostasis
A
Organism’s tendency to keep its internal environment constant. (temperature and concentration of molecules)
8
Q
Taxonomy
A
- Branch of biology
- Names and classifies species into groups
