If a restriction endonuclease cuts a circular DNA three times, how many fragments should there be

after the DNA is subjected to electrophoresis through an agarose gel?



a. 1
b. 2
c. 3
d. 4
e. 5


C

Biology & Microbiology

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The closest relatives of fungi and animals are

a. amoebozoans. b. chlorophytes. c. alveolates. d. stramenopiles. e. none of these

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Which of the following is NOT a function associated

in some way with the human respiratory system? a. sense of smell b. speech c. blood flow in veins d. white blood cell formation e. temperature maintenance

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Human beings belong to the class:

a. chordata b. primate c. mammailia d. homo

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What process creates daughter cells with a mixture of paternal and maternal chromosomes?

a)asexual reproduction b)semi-conservative replication c)random fertilization d)independent assortment e)mutation

Biology & Microbiology