Which type of signaling is characterized by hormones released into the blood stream which can act system-wide – aka “global signalling”?Group of answer choicesJuxtacrine signalingEndocrine signalingDirect exchange of cytosolic componentsSynaptic signalingParacrine signalling

Select two: Which type of signaling is characterized by cells needing to be in direct contact with each other?Group of answer choicesJuxtacrine signalingEndocrine signalingSynaptic signalingDirect exchange of cytosolic componentsParacrine signaling

The secretion of a signal molecule by a cell into the local environment, followed by a response by a number of cells in the immediate vicinity, is an example ofGroup of answer choiceshormonal signalingparacrine signalingendocrine signalingsynaptic signaling

Peptide hormonesMultiple Choiceare able to pass through the membrane and bind to a receptor in the cytoplasm.bind to a receptor in the plasma membrane.act much more slowly than steroid hormones.initiate gene expression.are composed of a complex of four carbon rings.

The molecules that bind to receptors in a signalling pathway to initiate a signal are called:Group of answer choicesSecond messengersTranscription factorsSubstratesLigands

What are proteins that act in a coordinated manner with hormone receptors to mediate gene expression?    Group of answer choicescoreceptorscohormones coactivatorsreceptor-transcription mediatorscotranscription factors