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QuestionAnswer
Epinephrine ____ & ____. increases blood glucose concentration; it binds to a G-protein coupled receptor
What is the kidney's main role in maintaining homeostasis? Maintaining water and salt balance.
What activates a tyrosine kinase pathway in a cell following its binding to a receptor? Insulin.
What increases the permeability of the nephron to water? ADH.
A gradient of specific signalling molecules causes an unspecialized cell to ____. differentiate into a particular type of cell
What is NOT removed from the blood in the glomerulus v.s. what is? Plasma proteins and blood cells aren't whereas amino acids, water, ions, and glucose are.
What is released by the hypothalamus and stimulates the pituitary gland to release LH and FSH? GnRH.
What increases reabsorption of water in the collecting ducts by the insertion of aquaporins? ADH.
What is released by the thyroid gland and functions in thermoregulation by increasing metabolic rates? Thyroxin.
What decreases blood glucose by activating a phosphorylation pathway that increases GLUT 4 receptors in cell membranes? Insulin!
What increases blood glucose by breaking down glycogen? Glucagon.
True or false? The effects of hormones last longer and are more widespread than neurotransmitters. True.
True or false? Neurotransmitters are lipid molecules and can therefore pass through the plasma membrane. False.
True or false? Peptide hormones and neurotransmitters can both bind to extracellular receptors that open ligand-gated channels. True.
True or false? Hormones circulate in the bloodstream. True.
True or false? Neurotransmitters are released by neurons. True.
True or false? Steroid hormones are nonpolar and can directly affect gene expression. True.
True or false? Some molecules can act as neurotransmitters or hormones. True.
True or false? Only hormones can cause a phosphorylation cascade inside the cell. False.
True or false? The effects of neurotransmitters last longer and are more widespread than hormones. False.
Name a signalling molecule that binds to a gated sodium ion channel to cause neuron transduction? Acetylcholine.
True or false? The presence of high amounts of glucose in the urine can indicate a disease like diabetes. True.
Created by: user-1907392
 

 



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