14. To view and analyze human chromosomes in a dividing cell, which of the following is/are required? (A) electron microscope (B) radioactive staining (C) fluorescent staining (D) DNA stain and a light microscope (E) a stain particular to human cell

16. A principal problem with inserting an unmodified mammalian gene into a plasmid and then getting that gene expressed in bacteria is that _____. (A) bacteria translate only mRNAs that have multiple messages (B) prokaryotes use a different genetic code from that of eukaryotes (C) bacteria cannot remove eukaryotic introns (D) bacterial RNA polymerase cannot make RNA complementary to mammalian DNA

14. To view and analyze human chromosomes in a dividing cell, which of the following is/are required?
(A) electron microscope
(B) radioactive staining
(C) fluorescent staining
(D) DNA stain and a light microscope
(E) a stain particular to human cell

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