Which of the following is(are) a group of
individuals of the same species that occupies a
specified area?
a. individuals
b. species
c. population
d. polyploids
e. all of these
C
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Bioluminescence is catalyzed by luciferase, which creates light by
A) shunting electrons from FMNH2 to O2, which releases energy in the form of light. B) reversing photosynthesis. C) hydrolyzing ATP. D) reducing LuxR.
The process through which cells can detect and respond to signals in their extracellular environment is _____.
A. Cell sensation B. Cell communication C. Transduction D. Reception E. Sensory response
Drugs like AZT, ddC, or ddI work against the AIDS virus because they
A) destroy viral proteins. B) look like hairpins to cause premature termination of viral mRNA. C) look like tRNAs and block viral translation. D) look like nitrogenous bases and block viral reverse transcriptase. E) prevent the virus from releasing its genome into the cytoplasm.
After DNA replication is complete, each strand of the original molecule is bound to a new complementary strand. This process is known as
A. dispersive replication. B. disruptive replication. C. conservative replication. D. stabilizing replication. E. semiconservative replication.