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
Biology & Microbiology
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
Biology & Microbiology
Human beings belong to the class:
a. chordata b. primate c. mammailia d. homo
Biology & Microbiology
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