Synthesis of an inducible enzyme requires
A. substrate bound to promoter.
B. substrate bound to repressor.
C. repressor alone bound to operator.
D. corepressor and repressor binding to operator.
Answer: B
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Which organisms are the most diverse forms of life?
a. protists b. fungi c. animals d. bacteria and archaea e. plants
Leishmaniasis is transmitted through the bite of a(n) ________.
A. Anopheles mosquito B. sand fly C. tsetse fly D. hard-bodied tick E. reduviid "kissing" bug
The critical ________ is the most important limiting factor that determines where a species lives.
Fill in the blank(s) with the appropriate word(s).
Pregnant women are usually advised to be vaccinated against influenza to protect themselves and the baby after birth. The mother will acquire ________ immunity from the vaccine while the baby will acquire ________ immunity
A) artificial passive; artificial passive B) artificial active; artificial passive C) artificial active; artificial active D) natural active; natural passive E) artificial active; natural passive