Which structure(s) represent a first line of defense against pathogens?
A) skin
B) inflammation
C) lymphocytes
D) phagocytosis by macrophages
A
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How is active immunity different from passive immunity?
a. Active immunity is slower in onset and shorter-lived. b. Active immunity is slower in onset and longer-lived. c. Active immunity is faster in onset and shorter-lived. d. Active immunity is faster in onset and longer-lived. e. Only active immunity involves antibodies.
Cell-mediated responses work against _____
a. intracellular pathogens b. extracellular pathogens c. cancerous cells d. both intracellular pathogens and extracellular pathogens e. both intracellular pathogens and cancerous cells f. intracellular pathogens, extracellular pathogens, and cancerous cells
If two phenotypically normal parents have six children, and two daughters and two sons have the same genetic
disorder, that disorder is most likely to be ____. a. hemophilia b. cystic fibrosis c. Marfan syndrome d. muscular dystrophy e. color blindness
Thylakoid membranes are involved in ____ synthesis
a. glucose b. NADP+ c. ATP d. RuBP e. PEP