One of the greatest challenges in development of antivirals is finding drugs that are
A. absorbed by the GI tract.
B. administered orally.
C. selectively toxic for viruses.
D. not likely to disrupt the normal microbiota of the patient.
Answer: C
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The branch of microbiology that deals with the mechanisms by which the human body protects itself from disease-causing organisms is called ________.
Fill in the blank(s) with the appropriate word(s).
What is similar about G protein-coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs)?
A. Both can activate phospholipase C B. Both are activated by autophosphorylation C. Both are enzymes D. Both are directly bound to G proteins
Discuss how environmental factors can have a negative impact on the development of a fetus. What will be an ideal response?
Why are serial dilutions often performed before aliquoting a sample of cells onto plates for counting colonies?
a. The transferred spent media can affect growth and need to be diluted out. b. Otherwise the colonies would be too numerous to count. c. This dilution scheme decreases error. d. Both b and c are correct.