Growth Flashcards
1
Q
Macronutrients
- Major elements in cell macromolecules
A
- C, O, H, N, P, S
- Ions necessary for protein function
- Mg2+, Ca2+, Fe2+, K
2
Q
Trace elements necessary for enzyme function
A
- Co, Cu, Mn, Zn
3
Q
Phototrophs
A
obtain energy from chemical reactions
triggered by light
4
Q
Chemotrophs
A
obtain energy from oxidation-
reduction reactions
5
Q
Lithotrophs
A
use inorganic molecules as a source of
electrons.
6
Q
Organotrophs
A
use organic molecules.
7
Q
Complex media
A
are nutrient rich but poorly defined.
8
Q
Synthetic media
A
are precisely defined.
9
Q
Enriched media
A
are complex media to which specific
blood components are added.
10
Q
Selective media
A
favor the growth of one organism
over another
11
Q
Differential media
A
exploit differences between two
species that grow equally well.
12
Q
bacillus can grow in the presence and absence of
A
air