water, ph and amino acids Flashcards
1
Q
is water polar or non polar
A
polar
2
Q
what creates a poalrized bond
A
a covalent bond between hydrogen and a more electronegative atom e.g oxygen
3
Q
what are hydorgen bonds shared between
A
two electronegative atoms
4
Q
hydrophobic
A
non poalr
5
Q
hydrophilic
A
polar
water loving
6
Q
are hydrocrabons polar or non polar
A
non polar
7
Q
amphipathic
A
hydrophobic and philic molecules
8
Q
what do amphipathich molecules form
A
micelles
head iin contact with water
tail sequestred from water
9
Q
what are alpha carbons bonded to in amino acids
A
amino group; nh2
carboxyl group; cooh
hydrogen;h
side chain; r
10
Q
are peptide bonds strong or weak
A
strong
11
Q
acids
A
donate a proton - hydrogen ion, H+)
12
Q
bases
A
proton acceptors
13
Q
ph
A
measuremnt of the maount of protons in a solution
14
Q
ph <7
A
acidicp
15
Q
ph >7
A
alkali; basic
