Found in secretions such as breast milk and saliva.
What will be an ideal response?
IgA
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People with aggamaglobulinemia do not make protective antibodies and suffer from recurrent, life threatening viral infections, but can develop normal immune responses to bacteria
Indicate whether the statement is true or false.
You wish to inhibit the contraction of muscle in vitro as a control for an experiment you are conducting. To do this, which of the following would you use?
A) dyneinase B) ATPase inhibitors C) mysoinase II D) contractionase E) serotonin
A cigarette smoker with lung cancer will not pass any smoking-induced lung cancer mutations to his children because the smoking-induced mutations
A. are in somatic cells. B. are in gametes. C. do not affect the phenotype of the lung cells. D. are in germ cells. E. are not in DNA.
Who introduced the "two-part" system (genus and species) that biologists use to name organisms?
A) Aristotle B) Linnaeus C) Whittaker D) Woese E) Darwin