According to the animation, B cells interact directly with
a. phagocytes.
b. inflammation.
c. the complement system.
d. helper T cells.
Ans: d. helper T cells.
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When S. aureus infects the body, which cells will produce the antigen receptors that will recognize the polysaccharides in the cell wall of S. aureus?
a. B cells b. Macrophages c. Memory T cells d. T cells e. Mast cells
Which word best describes the structure of the cell membrane?
A.) bi-layer B.) rigid C.) impermeable D.) nonpolar
Serotonin is amine neurotransmitter that is derived from (i)__________, and it is deactivated by (ii)___________.
a) (i) tyrosine, (ii) tyrosine hydroxilase b) (i) tryptophan, (ii) moniamine oxidase
You are on the committee to update the design of the hospital NICU (neonatal intensive care unit), which currently has incubators for the babies but not much else. Based on what you have learned about Harlow's experiments with rhesus monkeys, what would you suggest adding to the NICU to improve the babies' health and well-being?
A. Pheromones B. White-noise devices to mask the sound of beeping machines C. Comfortable chairs for parents to hold their babies D. Softer lighting