things to remember Flashcards
(5 cards)
1
Q
what bonds is the plasma membrane held together by
A
hydrogen, NON-COVALENT bonds
2
Q
phospholipids comprise __% of lipids
A
75%
3
Q
hydrophobic core of integral membrane proteins consists of:
A
non-polar amino acids coiled into helices
4
Q
size limit for diffusion:
A
20 µm
5
Q
cells use __% of resting energy to maintain concentration and electrical gradients
A
30%
