The formation of a covalent bond between two adjacent thymines is caused by
A. mustard gas.
B. alkylating agents.
C. microwave radiation.
D. UV radiation.
D
Biology & Microbiology
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The essential protective role for T cell immunity is protection from
A) viruses. B) extracellular pathogens. C) bacteria. D) intracellular pathogens.
Biology & Microbiology
Compare and contrast DNA and RNA
What will be an ideal response?
Biology & Microbiology
Barnacles are
a. parasites. b. herbivores. c. predators. d. filter feeders. e. all of these.
Biology & Microbiology
Antibiotic reistance that results from altered cellular physiology and structure caused by changes in a microorganisms usual genetic makeupp is known as
A. Environmentally medicated ersistance B. Inherant resistance C. intrisic resistance D. acquired resistace
Biology & Microbiology