Which of the following happens during prophase?

A.
The cell cytoplasm divides.

B.
The nuclear membrane breaks down.

C.
The chromatids attach to the spindle.

D.
The sister chromatids are pulled apart.

Question

Which of the following happens during prophase?  
 
 

 
 

  

  A. 
  The cell cytoplasm divides.   
   

 
 

  

  B. 
  The nuclear membrane breaks down.   
   

 
 

  

  C. 
  The chromatids attach to the spindle.   
   

 
 

  

  D. 
  The sister chromatids are pulled apart.

anonymous · Answer

B. The nuclear envelope disappears at the end of the prophase.