When yeast cells of the "a" mating type are exposed to a solution of "? pheromones
A) those yeast cells will undergo cell division
B) actin filaments will form a cleavage furrow in the yeast cells
C) the yeast cells will fuse with each other
D) G proteins will be activated in the cell signaling pathway and the yeast cells will change shape
E) those yeast cells will undergo DNA replication
Answer: D
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Which of the following is not a mechanical defense employed by plants?
A. hairs B. silica plates C. thorns D. terpenes E. spines
A species that three sets of homologous chromosomes can have __ different combinations of chromosomes in its gametes?
A. 3 B. 6 C. 8 D. 27 E. 64
Which domains replaced kingdom Monera?
A. Protista and Archaea B. Bacteria and Eukarya C. Archaea and Eukarya D. Archaea and Bacteria
The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the red arrow is pointing? 
McGraw-Hill Education
A. At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate. B. At this point in the cell cycle, the cell is determining if conditions are favorable for cell division. C. At this point in the cell cycle, DNA has already been replicated correctly. D. At this point in the cycle the cell is continuing to grow and make abundant tubulin proteins. E. At this point in the cell cycle, all sister chromatids are fully formed.