Explain the difference between a purine and pyrimidine

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1) Explain the difference between a purine and pyrimidine?

2) Explain the difference between nucleotides, nucleosomes, and centrosomes.

3) Why is DNA replication described as being "semi-conservative"?

4) What are Okazaki fragments and why/how do they form?

5) What are spindle fibers? What cell structure do they originate from? What do they connect to on the DNA? What is their role during mitosis?

Reference no: EM132579328

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