Many restriction enzymes generate ____ on DNA fragments after being cut
a. frank ends
b. recombinant ends
c. curved ends
d. sticky ends
e. oblique ends
ANSWER: d
Biology & Microbiology
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Which marine zone is one of the most stressful habitats on Earth?
a. the pelagic province b. the continental shelf c. deep sea trenches d. the abyssal zone e. the intertidal zone
Biology & Microbiology
Large teeth with flat surfaces would be characteristic of _____________ dinosaurs
a. carnivorous b. herbivorous c. omnivorous
Biology & Microbiology
Which of the following is (are) common fish
adaptation(s) to the challenges of life in water? a. fins b. swim bladder c. streamlined body d. scales e. all of these
Biology & Microbiology
Many proto-oncogenes regulate ________
A) cell growth B) cell cloning C) cell division D) cell repair
Biology & Microbiology