CELL SIGNALLING AND TRANSDUCTION QUIZ

All of these

It would be more difficult to increase blood flow and reduce blood pressure

Smooth muscle cells could not be made to relax

Nitric oxide would no longer be produced

receptor kinases play a key role in triggering the signal cascade

All of these

phosphorylated proteins act with enzymes to trigger the signal cascade

the signaling molecule binds to a surface receptor

communication between cells and simple nerve reflexes

cell specialization and communication between cells

simple nerve reflexes and cell specialization

prokaryotic cell structure and cell specialization

Signal amplification

Signal transduction

Signal reception

Signal integration

both (a) and (b)

none of these

second messenger

first messenger

Insulin; many different cell types that use glucose for fuel

NGF; the nerves involved in simple reflexes

Insulin; beta cells of the pancreas

PDGF; the blood

Ca2+

phosphorylated tyrosine residues

GDP

phosphorylated serine residues

lnositol 1,4,5-triphosphate

Diacyl glycerol

Both (a) and (b)

Phospholipase C

Ion-channel linked receptors

G protein linked receptors

Enzyme linked receptors

All of these

reduced blood pressure

All of these

the release of nitric oxide from endothelial cells

relaxation of smooth muscle cells