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1. Which of the following phases is characterized by preparation for DNA synthesis?
 
 
 
 

Question 1 of 5

2. A mutation in the gene for a cyclin protein might result in which of the following?
 
 
 
 

Question 2 of 5

3. What is a primary function of tumor suppressor genes?
 
 
 
 

Question 3 of 5

4. Critical Thinking: What would happen if anaphase proceeded even though the sister chromatids were not properly attached to their respective microtubules and lined up at the metaphase plate?

Question 4 of 5

5. Critical Thinking: What are cyclins and cyclin-dependent kinases, and how do they interact?

Question 5 of 5