If a restriction endonuclease cuts a linear 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
ANSWER: d
Biology & Microbiology
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Interferons, complement, lysozyme, and lactoferrin are all examples of
A. specific antimicrobial factors. B. immune enzymes. C. nonspecific antimicrobial factors. D. cytokines.
Biology & Microbiology
The plant leaf surface is called the rhizosphere.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Refer to Figure 31-5. Which number has been placed on the dorsal surface?
A. 1
B. 2
C. 3
D. 4
E. 8
Biology & Microbiology
Which of the following is a stem modification for storage?
A) tuber B) petiole C) internode D) runner
Biology & Microbiology