Radiation and chemotherapy drugs preferentially killcells that divide frequently, most notably cancer cells.These cancer treatments also cause hair to fall out. Why?
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Q: which stage of mitosis takes the longest? Which one is the shortest? How do you know this?
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A: Plant root tissues and animal embryo tissues show a lot of mitosis, because they contain…
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Radiation and chemotherapy drugs preferentially kill
cells that divide frequently, most notably cancer cells.
These cancer treatments also cause hair to fall out. Why?
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- Some cancers show increased incidence with age while others peak at younger ages. Whydo you suppose that some cancers have increased incidence with age while others peak inchildren?In your own words, explain metastasis and why this process is important in the prognosis of a patient, and is this an easy and efficient process for cancer cells, why or why not?Black men are more likely to get prostate cancer than other men. You are working on a prostate cancer project. You want to isolate cancer cells from a diseased prostate and culture the cells. Akilah, your lab partner uses a procedure to isolate the prostate cancer cells. Write up a procedure to isolate prostate cancer cells from human prostates in your own words.
- Which is true for cancer cells: 1) Cell death occurs after a determined number of cell divisions 2) Contact with other cells reduces chance of cell division 3) Cell division occurs in the presence of stop signals.In your own words, explain how cancer cells differ from normal cells in regard to the following: ApoptosisOncologists (cancer doctors) frequently measure the mitotic index of tumor cells when they are removed via surgery or biopsy. What do you think is the value of finding out the mitotic index of these cells?
- When some cancer cells produce growth factors that stimulate their own division leading to continuous self- stimulation for cell division it is referred to as a) TNF tumor necrosis factor b) AGS autocrine growth stimulationIn order for certain cancers to propagate, they require a growth factor known as Vascular Endothelial Growth Factor (VEGF). What does VEGF signal the cell to do and how does this promote the propagation of cancer cells?Black men are more likely to get prostate cancer than other men. You are working on a prostate cancer project. You want to isolate cancer cells from a diseased prostate and culture the cells. Akilah, your lab partner uses a procedure to isolate the prostate cancer cells. Write up a procedure to isolate prostate cancer cells from human prostates You decide you want to culture the cells for various types of biological analysis. Write up the procedure used to culture the prostate cancer cells in your own words. You froze some of the prostate cancer cells for future experiments. How did you freeze the cells?
- You are a paralyzed patient in need of surgery to help regrow your spinal nerve cells. There are two types of procedures available to you, the use of either adult or embryonic stem cells to regrow your nerve cells. What questions should you ask to identify one difference between adult and embryonic stem cells?Why is late stage cancer so dangerous for our body.Suppose you discover a new gene called ABC that contributes to the efficiency of DNA damage repair. You have noticed that cells carrying mutations in this gene stop dividing and go into senescence. Do you think that mutations in this gene can cause cancer? Briefly explain your answer.