When a patient is treated with antibiotics, __________.
a. mutations occur in all of the bacterial cells
b. sensitive bacterial cells multiply uncontrollably
c. the drug will kill or inhibit the growth of all of the sensitive bacterial cells
d. the drug will kill or inhibit the growth of all of the resistant bacterial cells
e. mutations will occur in the sensitive bacterial cells, but not in the resistant bacterial cells
Answer: c. the drug will kill or inhibit the growth of all of the sensitive bacterial cells
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Which of the following is NOT involved in turning off the lac operon?
a. the short lifespan of mRNA molecules b. the short lifespan of the lac operon gene products c. the depletion of lactose from the cytosol d. the lack of allolactose to bind to the repressor e. binding of repressor to the operator
You suspect that an elderly patient's skin blistering is caused by an autoimmune disorder. If you are correct, the patient's serum likely contains antibodies directed against
A) talin. B) vinculin. C) ?-actinin. D) BPAG2. E) actin.
____ is the monoaminergic neurotransmitter that seems to play a role in satiety.
Fill in the blank(s) with the appropriate word(s).
Who believed that disease had natural causes, e.g., "The Four Humor Theory". and that it could be cured by rational methods?
A. Asclepius B. Fracastoro C. Hippocrates D. Imhotep