An example of antibody-mediated immunity is:
a. phagocytosis.
b. macrophage release.
c. T-cell activation.
d. B-cell activation.
D
Antibodies are produced by plasma cells that are produced by B cells; therefore, antibo-dy-mediated immunity is observed in B-cell activation.
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Duchenne muscular dystrophy and Becker's muscular dystrophy are caused by different mutations in the same X-linked gene
a. True b. False Indicate whether the statement is true or false
Which type of drug may interfere with the beneficial effects of a fever?
1.antibiotics 2.pain killers 3.aspirin 4.antidepressants 5.muscle relaxants
What hormone promotes apical dominance in plants?
a. abscisic acid b. auxin c. cytokinin d. ethylene e. gibberellin
The half-life of a molecule is the time it takes for 50% of the molecule to be broken down and recycled.
Answer the following statement true (T) or false (F)