Cas9 endonuclease differs from a restriction enzyme in that ________.
A. restriction enzymes recognize a 4-8bp target sequence in the DNA and directly cleave at that site, whereas Cas9 contains a guide RNA that is complementary to a specific DNA site and a polypeptide that cleaves once hybridization is complete
B. restriction enzymes recognize 4-8bp sequence of the DNA, whereas the amino acids in Cas9 recognizes sequences that are approximately 20bp in length
C. Cas9 recognizes a 4-8bp target sequence in the DNA and directly cleave at that site, whereas restriction enzymes contain a guide RNA that is complementary to a specific DNA site and a polypeptide that cleaves once hybridization is complete
D. restriction enzymes can cleave any loci in the DNA molecule, whereas Cas9 can only cleave DNA fragments that originated as mobile genetic elements such as phages and transposons
Answer: A
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Extremely halophilic Archaea often form ________ in order to access ________
A) stalks / nutrients B) intracellular inclusions / elemental sulfur C) gas vesicles / oxygen D) intracellular membranes / sunlight
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
The plasma membrane of intestinal epithelial cells requires separate targeting of proteins to
a. one continuous plasma membrane domain. b. two plasma membrane domains: the apical and basolateral domains. c. three plasma membrane domains: the apical, lateral, and basal domains. d. four plasma membrane domains: one apical, two lateral, and a basal domain.
Four of the following statements about fossils found on the island of Flores are true. Which one is the exception?
A. They are shorter than modern humans. B. They have very small brains. C. They are 200,000 years old. D. They have a heavy brow ridge. E. They have been described to be like “hobbits.”