Biochem exam 2
G-protein coupled receptors have ___ transmembrane regions, each region having ___ secondary structure
7; alpha helix
A wax is formed through esterification of a
Alcohol and carboxylic acid
Amino sugars have an ___ group on a ___ molecule in place of a ___ group
Amine; sugar; hydroxyl
A membrane protein which passes through the entire membrane contacting both the inside of a cell and outside of a cell is considered
An integral membrane protein
In uncompetitive inhibition the Vmax is
Lowered
A primary messenger binds to a
Membrane receptor
What is a mechanism by which a G-protein coupled receptor can turn-off the signal transduction cascade
Remove the primary messenger
Metandienone, a derivative of cholesterol, is an illegal drug used by body builders to increase muscle mass. When used illegally, it is injected into the bloodstream. Which mechanism is used by this drug to enter the bloodstream
Simple diffusion
What noncovalent interaction most strongly stabilizes membranes
The hydrophobic effect