Match the cell of adaptive immunity with its function.A. Quick and responsive to antigen, remembers previous exposureB. After activation, differentiates to become plasma cell or memory B cellC. Produces antibodiesD. Destroys cells by lysis or by production of cytokinesE. Activates B and effector T cellsB cell
Fill in the blank(s) with the appropriate word(s).
Answer: B
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The adrenal medulla secretes mostly ________.
A. endorphins B. norepinephrine (noradrenaline) C. dopamine D. acetylcholine (ACh) E. epinephrine (adrenaline)
List the maters surrounding the brain from the deepest layer to the most superficial layer. (Figure 14-3)
A) dura, arachnoid, pia B) pia, arachnoid, dura C) arachnoid, dura, pia D) arachnoid, pia, dura E) pia, dura, arachnoid
Schizophrenia is primarily associated with hyperactivity of what neurotransmitter?
a. Glutamate b. GABA c. Norepinephrine d. Dopamine
Which best describes a hydrolysis reaction?
A. Molecules are broken down into smaller ones by breaking covalent bonds within water molecules and transferring hydrogen atoms and hydroxyl groups to the smaller ones. B. Electrically charged molecules separate into ions when they dissolve in water, and then hydrogen ions and hydroxyl groups covalently attach themselves to the oppositely charged ions. C. The breaking of hydrogen bonds between any two molecules. D. Dissolving a large molecule in water reduces it to its individual atoms. E. Large molecules are assembled from smaller ones by breaking water into hydrogen and hydroxyl ions.