Biology Question? need urgent???

Posted on 2016-11-17 18:53:00 in Biology by ANDIE

1. Early in development, normal fruit fly embryos have one big cell that has thousands of nuclei inside. Which of the following would describe how this happens? 

A. The embryo goes through multiple rounds of S phase that are not followed by M phase. 
B. The embryo is nonfunctional and will probably die 
C. The large cell is stuck in the G1 phase and can't move forward in the cycle. 
D. The embryo experiences multiple rounds of mitosis that are not followed by cytokinesis

2. Taxol is an anticancer drug that is made by a Yew tree. In animal cells, Taxol disrupts microtubule formation. How does this molecule fighter(i.e. uncontrolled cell division)

A. It prevents chromosome condensation during prophase 
B. It keeps the mitotic spindle from forming, which in turn prevents cell division 
C. It keeps cells stuck in the S phase of the cell cycle forever. 
D. It blocks the formation of the contractile ring during cytokinesis, leaving a cell with two nuclei

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