What is the main function of the molecule shown in the figure above?
A. Chemical messenger
B. Energy currency
C. Hereditary information
D. Metabolism of fats
E. Protein synthesis
Answer: B
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The template for RNA polymerase is ________, and the new RNA chain is ________ to the template
A) an independent RNA segment / parallel and identical B) DNA / antiparallel and complementary C) an independent RNA segment / antiparallel and complementary D) DNA / parallel and identical
Would babies need to be immunized against lockjaw (tetanus) if their mother had been immunized against the disease? Why or why not?
A. No-because the mother's IgG antibodies would be passed along through the placenta before birth, protecting the baby from the infection. B. Yes-because even though maternal IgG antibodies might be passed along through the placenta, they will not last forever. The baby will need to create its own antibody response to be protected against future tetanus. C. No-because maternal IgG antibodies would be passed along in the breast milk, protecting the baby from infection. D.
HEPA filters are able to filter many airborne viruses
a. true b. false
Which of the following immunoglobulins is produced by plasma cells in response to an allergen?
A. IgA B. IgD C. IgE D. IgG E. IgM