51. Each antibody has __antigen receptor site(s). a.one b.two c.three d.four 52.
ID: 14440 • Letter: 5
Question
51. Each antibody has __antigen receptor site(s).a.one
b.two
c.three
d.four
52. A secondary immune response is ___than the primary responses due to the presence of
a.stronger: helper cells
b.stronger; memory cells
c.weaker; memory cells
d.weaker; killer cells
53. Antibody destroys invaded microorganisms by
a.aggregation
b.opsonization
c.both a and b
d.neither a nor b
54. When the body is invaded by a type of pathogen the first time, the body produces adequate amount of antibody in approximately
a.an hour
b.a day
c.a month
d.a week
55. The antibodies in mother's milk which provides immunity to the infant is an example of
a.active immunity
b.passive immunity
c.innate immunity
d.none of the above
Explanation / Answer
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51. Each antibody has __antigen receptor site(s).
b.two
Looks like a Y shape. Some antibodies cluster together like IgM.
52. A secondary immune response is ___than the primary responses due to the presence of
b.stronger; memory cells
That's the humoral response (antibody).
53. Antibody destroys invaded microorganisms by
c.both a and b
54. When the body is invaded by a type of pathogen the first time, the body produces adequate amount of antibody in approximately
c.a month
As little as 10 days (very weak) and as long as 4 week (strong).
55. The antibodies in mother's milk which provides immunity to the infant is an example of
b.passive immunity
Passive immunity is when the antibodies comes from another source than the body. Active is when the body produces them.
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