The major reason why there are fewer antiprotozoan drugs than antibacterial drugs is because
A. antiprotozoan drugs cost much more than antibacterial drugs to develop.
B. antiprotozoan drugs are only effective when injected.
C. it is much more difficult to develop selectively toxic antiprotozoan drugs since protozoan cells are eukaryotic.
D. antiprotozoan drugs are not needed in the United States.
Answer: C
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Evaluate the following statement about heat: Heat is released in all energy conversion processes as a byproduct.
A. False, heat is released in most but not all energy conversion processes. B. False, heat is never released as a byproduct. C. True. D. False, heat is released as a byproduct only in a few energy conversion processes.
Discuss the importance of homologous recombination and transposition in natural horizontal gene transfer and evolution. Be sure to define all of the terms you use and connect them together logically in your answer
What will be an ideal response?
The first system to develop in the vertebrate embryo is the:a
circulatory system. b. digestive system. c. excretory system. d. reproductive system. e. nervous system.
Which plant tissue did the first observed cells come from?
a. cork b. pollen c. a maple leaf d. human skin