Please I need help to solve these questions. Thanks in advance. Concepts in Biology 141Concepts in Biology 141 Powerpoint Guide - Cancer 1. What is cancer? 2. What is meant by the terms malignant, benign, and metastasis? 3. How do cancer cells differ from normal cells (other than having a large nucleus with an abnormal chromosome number)? 4. What are the risk factors that affect your chances for getting any kind of cancer? 5. What do the initals DNA stand for? 6. How are DNA, genes, and chromosomes related? 7. Draw OR describe a DNA molecule. 8. Draw OR describe a DNA molecule with its sister chromatid attached at a centromere. 9. Describe DNA replication. Be sure to include what enzyme is used. 10. What is the purpose of cell cycle checkpoints? 11. What is a tumor suppressor? Give an example of one. 12. What are factors that lead to a cell-cycle regulator gene to become mutated? 13. What are general symptoms of different kinds of cancer? 14. What is a biopsy and what is it used for? 15. What are three different types of treatment for cancer?.