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Insulin receptor: Quiz


Question 1:
Insulin receptor, Obesogen and Receptor (biochemistry) are all:
Clusters of differentiation Integral membrane proteins Tyrosine kinase receptors Receptors

Question 2: The "substrate" proteins which are phosphorylated by the Insulin Receptor include a protein called "________" for "insulin receptor substrate 1".
Insulin-like growth factor 1 receptorJanus kinase 2IRS1Grb2

Question 3: The beta subunits pass through the cellular membrane and are linked by ________.
Peptide bondMethylationDisulfide bondAmino acid

Question 4: Grb2 is then able to bind SOS, which in turn catalyzes the replacement of bound GDP with GTP on Ras, a ________.
GTPaseRas (protein)G proteinPlasma membrane Ca2+ ATPase

Question 5: In molecular biology, the insulin receptor is a transmembrane receptor that is activated by ________.
AdiponectinGlucagonInsulinEndocrine system

Question 6: Most insulin molecules are degraded by ________ cells.
Immune systemLiverPancreasEndocrine system

Question 7: This protein then begins a phosphorylation cascade, culminating in the activation of mitogen-activated protein kinase (________), which enters the nucleus and phosphorylates various nuclear transcription factors (such as Elk1).
Mitogen-activated protein kinaseMAPK/ERK pathwayAKTExtracellular signal-regulated kinases

Question 8:
Insulin receptor, Electron transport chain and Cytochrome P450 are all:
Clusters of differentiation Receptors Integral membrane proteins Tyrosine kinase receptors

Question 9: The alpha and beta subunits are encoded by a single ________ (INSR).

Question 10:
Insulin receptor, CD4 and HER2/neu are all:
Clusters of differentiation Integral membrane proteins Receptors Tyrosine kinase receptors


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