Some archaeons are symbionts in animal digestive tracts.
Answer the following statement true (T) or false (F)
True
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PCR uses two components: ____________________ that serve as templates and primers that bind to regions on either side of the template to be copied
a. yeast artificial chromosomes b. tRNA that has been cut by restriction enzymes c. mRNA that has been cut by restriction enzymes d. double strands of DNA e. single strands of DNA
It is difficult to make a vaccine against HIV because
a. the virus mutates rapidly. b. it is too expensive. c. it is a retrovirus. d. not enough is known about it. e. it contains reverse transcriptase.
In a classic experiment, Otto Loewi electrically stimulated the vagus nerve of a frog heart. He then took the fluid bathing the stimulated heart and applied it to a second frog heart. The beating rate of both hearts slowed down with this treatment. Based on this response, you can assume the nerve he stimulated was part of the
A. parasympathetic system. B. sympathetic system. C. somatic system. D. central nervous system. E. atrioventricular system.
List the ways in which proto-oncogenes may be converted to oncogenes
What will be an ideal response?