M+R session2

Which class of nuclear receptors are activated by hormones?

• Class I steroid receptors

• Class II receptors

What type of small molecule can bind to a receptor site to activate it?

• Acceptor

• Ion

• Ligand

• Enzyme

What is the name of the following process?

A non-specific process with constant 'pinching off' of small vesicles which engulf extracellular fluid containing small solutes

• Exocytosis

• Endocytosis

• Phagocytosis

• Pinocytosis

There are four types of receptors transducing an extracellular hydrophilic signal into an intracellular event. Which of the following is NOT one of those receptors?

• Membrane-bound receptors with integral ion channels

• Membrane-bound receptors with integral enzyme activity

• Membrane-bound receptors with hydrophilic acceptors

• Intracellular receptors for hydrophobic ligands

Which family of receptors facilitate the conversion of extracellular signals into intracellular responses via seven transmembrane domain receptors? - e.g. adenylyl cyclase converting ATP into cyclic AMP?

• G-protein-coupled receptors

• Nuclear receptors

• Tyrosine-kinase linked receptors

• Glutamate receptors