Science Quiz / MNE Dr. Kasid's Material

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Can you name the hormones, receptors, and vocabulary words of Dr. Kasid's lectures?

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True or False: PLC an PI-3K can be regulated by both GPCR's and RTK's.
How many cAMP molecules are required to free PKA from its regulatory subunit complex?
Phosphorylation of glycogen phosphorylase kinase and glycogen phosphorylase will deactivate these two enzymes; what protein accomplishes this?
True or False: there is normally a tonic, or basal, level of second messengers present in the cytosol.
Alpha 2 adrenergic receptors use which G-protein?
Vasoconstriction is accomplished through activation of _____ adrenergic receptors
Alpha 1 adrenergic receptors use which G-protein?
The first line of defense against viral inefections involves this system.
The specificity of a STAT protein is determined in its _____________ domain.
In the smooth muscle of the heart or blood vessels, cytosolic guanylyl cyclase is activated by this compound.
Phosphorylation of the Gs receptor by PKA causes which compound to bind and sequester it further?
The defective oncogenic form of the EGF receptor is called:
Which type of receptor would cause bronchial dilation after binding its ligand?
All of the following will have epinephrine binding to the Gs beta adrenergic receptors EXCEPT: liver, adipose, intestine, CNS, skeletal muscle.
PKA is a protein kinase that phosphorylates at which residues?
The appropriate term for an attractive older man who, despite his age, is desired by younger women.
Membrane-bound guanylyl cyclase is activated by either guanylin or this compound.
Leptin receptors use the ________ pathway for downstream signaling.
In the RTK-Ras pathway, what protein acts as a GEF?
True or False: RTK's produce cAMP as a second mesenger.
What is the precursor of both IP3 and DAG called?
What molecule closely associates with cytosolic guanylyl cyclase?
CAPK is a more descriptive term for which protein?
Calcium inhibits which upstream enzyme by negative feedback?
GRB2is one protein of a pair that links RTK to Ras; what is the other?
All beta adrenergic receptors associate with this G-protein type.
Increases in cytosolic levels of IP3 and DAG are associated with Gq activating which protein?
Where in the body can alpha adrenergic receptors be found?
Steroid hormones are able to diffuse through the lipid bilayer because they are:
The huge number of glucose molecules, for example, that are liberated by a single molecule of insulin upstream in the pathway is an example of what?
GEF (guanine exchange factor) proteins enhance the dissociation of what molecule from Ras?
Atrial Natriuretic Factor (ANF) binds to and activates this receptor.
Activated JAK proteins catalyze phosphorylation of receptors; phosphorylated tyrosine on such a receptor serves as a docking site for these proteins.
Myristoylphorbol acetate is a tumor promotor because it enhances cell growth and proliferation through activation of which compound?
What is the ultimate precursor for epinephrine?
Which type of receptor would cause heart rate to increase?
Neuromuscular junctions exhibit which type of ACh receptor?
Cyclic AMP can be deactivated through cleavage carried out by which enzyme that is inhibited by caffeine?
Pertussis toxin affects the alpha subunit of Gi, preventing it from releasing which compound?
In a patient with Cholera toxin, what compound is being constitutively produced?
What activity of a G-protein does Cholera toxin disrupt?

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