Human insulin, which does not provoke allergic reac-tions, has been produced by transgenic E. coli since ____
a. 1952
b. 1962
c. 1972
d. 1982
e. 1992
ANSWER: d
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Who was known as “Darwin’s bulldog” because he was such a staunch advocate of Darwin’s evolutionary theory?
a. Thomas Malthus b. Thomas Huxley c. James Hutton
d. Charles Lyell e. Jean Baptiste de Lamarck
Reiji Okazaki discovered that "Okazaki fragments" are produced during DNA replication. What are Okazaki fragments?
a. short lengths of new DNA on the leading strand b. RNA primers on both the lagging and leading strand c. RNA primers on the lagging strand d. short lengths of new DNA on the lagging strand
Rotational and gravitational equilibrium both involve all of the following except
A. hair cells. B. a gelatinous substance within a chamber. C. the vestibular nerve. D. calcium carbonate granules. E. stereocilia.
Which of the following is part of explaining cancer with the disposable soma hypothesis?
a. Cancer is only caused by mutations in the germ line. b. Despite selection for the most accurate DNA proofreading and repair mechanisms, it is impos-sible to prevent every single mutation. c. There is a trade-off between the number of gametes and the accuracy of genetic transmission in gametes. d. Cancer almost always affects somatic cells.