quiz 5

Question 1

Fluorescence Recovery After Photobleaching (FRAP)

Answer 1

fluorescence of proteins in a spot on the membrane is bleached with a laser beam and recovery of fluorescence in that spot is measured over time

Question 2

The transition temperature increases with the number of ____________ in fatty acids

Answer 2

double bonds

Question 3

T or F: Phosphatidyethanolamine is a sphingolipid

Answer 3

false

Question 4

T or F: To extract peripheral membrane proteins you need to use a detergent such as SDS

Answer 4

false

Question 5

Which erythrocyte plasma membrane components lacks GlcNAc groups

Answer 5

glycolipids

Question 6

To determine the composition of lipids in a preparation you would use ___________ technique

Answer 6

SDS-PAGE

Question 7

Davson and Danielli

Answer 7

“sandwich” model of membranes, in which lipid bilayers are coated on both sides with thin sheets of proteins

Question 8

ergosterol

Answer 8

a sterol associated with fungal cell membranes