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