Which Of These Is A Logical Signal Transduction Pathway
Question: A signal molecule is also known as a(n) _____.
protein
receptor
initiator
ligand
key
Answer: ligand
Question: Which of these is the second of the three stages of cell signaling?
gene activation
reception
binding of a neurotransmitter to a plasma membrane receptor
transduction
cell response
Answer: transduction
Question: Which of these extracellular signal molecules could diffuse through a plasma membrane and bind to an intracellular receptor?
glycerol
cellulose
glucose
estrogen
starch
Answer: estrogen
Question: A(n) _____ is an example of a signal molecule that can bind to an intracellular receptor and thereby cause a gene to be turned on or off.
carbohydrate
ion
steroid
protein
nucleic acid
Answer: steroid
Question: Thyroid hormones bind to _____ receptors.
intracellular
G-protein-linked
tyrosine-kinase
plasma membrane ion-channel
steroid
Answer: intracellular