Chapter 2 Flashcards
1
Q
Term for molecule that is both polar and non-polar
A
Amphipathic
2
Q
Nonpolar means…
A
No separation of charge
3
Q
4 characteristics of water
A
- Polar
- Can form Hydrogen bonds
- Adheres to iteself
- Excellent at heat transfer
4
Q
pH is a measure of…
A
protons in a solution
5
Q
pH =
A
-log10 [H+]
6
Q
Acids are proton…
A
donors
7
Q
Bases are proton….
A
acceptors
8
Q
Buffer
A
a weak acid + it’s conjugate base
Neutralizes free protons or hydroxyl ions
9
Q
4 Macromolecules
A
- Proteins
- Nucleic Acids
- Carbohydrates
- Lipids
10
Q
Polymerization
A
putting macromolecules together one monomer at a time
11
Q
Which macromolecule is not synthesized by polymerization?
A
Lipids
12
Q
3 Benefits of polymerization
A
- Many combinations possible
- Energy efficient
- Monomers can be reused
13
Q
What determines protein structure
A
Chemical properties and physical shape
14
Q
Molecules that help proteins fold and unfold
A
Chaperone molecules
15
Q
Term for unfolding proteins
A
Denaturing
