When does crossing-over occur?
A) Prophase I of meiosis
B) Prophase II of meiosis
C) Interphase prior to meiosis
D) At any time during the second meiotic division
E) At any time throughout division
A
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Plants have special groups of self-renewing cells called
A. root cells. B. chloroplasts. C. cast cells. D. meristems.
An oncogene form of Ras would have ___________
A. decreased GTPase activity B. an inability to bind GTP C. increased susceptibility to growth factors D. inability to bind Raf-1
WHO has targeted for elimination of
A. polio. B. dracunculiasis. C. measles. D. plague. E. polio, dracunculiasis, AND measles.
What influences bacterial generation times?
A. Shape of the bacterium B. Bacterial species, chemical conditions, and physical conditions C. Only physical conditions such as temperature D. Whether the bacterium is a pathogen or not