1what are the properties of amphipathic lipids
contain nonpolar domain (hydrophobic tails) and hydrophillic head (polar domain)
2micelles, bilayers, and liposome ____________
allows them to associate with like environments
3Any portions of lipids that contains polar bonds are
hydrophillic
4what is phosphatidylethanolamine
major class of internal membrane lipid NH3
5what are phosphatidylserine
internal and negatively charged NH3+ COO-
6what is phosphatidylcholine
chichens foot major lipid two fatty acid tails external
7whag js sphingomyelin
external chicken foot w fatty chain
8what is cholestrols effect in membrane fluidity
makes lipids stiff
9what is saturated fatty acids role in mmebrane fluidity
less fluid
10what is lateral diffusion
movement within the plane of the leaflet
11what is flexion
the ability to flex and move
12what is rotation
lipids can rotate
13what is flip flop
lipids switch to
14why does assymetry matter
membrane change(presence of PS) cell sygnallimg (PI)
15what is a raft
rafts are formed in areas of greater fluidity and it attracts transmembrane protiens
16rafts are composed of
cholesteol, saturared hydrocarbons
17carbohydrate groups are always on the
noncystolic side
18what js the model of lipd droplet formtion