Please respond to each of these prompts in full, with at least 150 words total:

Please respond to each of these prompts in full, with at least 150 words total:
What is one thing you learned this week that surprised you? Write a 3-4 sentence summary of this concept.
What is one thing you are not understanding? Please explain your “muddiest issue” from this week.
Please explain how applying therapy, such as radiation therapy or chemotherapy, to a patient can affect clonal selection pressure of the cancer already present.
Responses and 2 comments on the posts of your peers at least 50 words each