Which of the following is TRUE of cell cleavage?
A. It involves consecutive cycles of cell division without cell growth.
B. It forms a blastula.
C. It is a rather slow event of embryonic development.
D. It involves consecutive cycles of cell division without cell growth and forms a blastula.
E. It is a rather slow event of embryonic development involving consecutive cycles of cell division.
D. It involves consecutive cycles of cell division without cell growth and forms a blastula.
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DNA contains all of the following nitrogencontaining
bases EXCEPT a. adenine. b. uracil. c. guanine. d. adenine. e. thymine.
Sites of newly replicated DNA can be detected with antibodies if the DNA is labeled with
a. tritiated thymidine. b. tritiated uridine. c. bromodeoxyuridine. d. bromodeoxythymidine.