What happens to the mass of DNA in a nucleus before mitosis occurs? A It doubles. B It halves. C It stays the same. D It halves and then halves again.
Answer/Explanation
Ans A
Question
What happens as a result of mitosis?
Answer/Explanation
Ans: B
Question
The diagram shows the chromosomes in the nucleus of a cell that divides by mitosis.
Answer/Explanation
Ans: C
Question
When damaged tissues are repaired cells undergo division by A meiosis to produce genetically identical cells. B meiosis to produce genetically different cells. C mitosis to produce genetically identical cells. D mitosis to produce genetically different cells.