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Neoplasia in Fish
a. In a table, compare and contrast the differences occurring in a cell undergoing hyperplasia
and neoplasia.
b. Describe in details how to diagnose a hyperplasic tissue from a neoplastic growth.
c. Discuss how the sex of an organism is a factor in the occurrence of neoplasia in fish.
d. Compare and contrast how chemical radiation and viruses causes neoplastic diseases in fish.
e. List and describe the viruses that are known to cause cancer in fish and their mode of
pathogenesis.
f. Describe the bioactivities of aflatoxin, PAH and halogenated compounds that could led to
cancer development in fish.
Step by step
Solved in 2 steps
- When an invasive cancer occurs? A. When genetic mutation occurs in a cell B. Cells are abnormal and tumor are still in contained within its tissue of origin C. When cell's descendants mutated and divide excessively and look abnormal. D. When some cells have additional mutations and allow tumors to invade other tissues through circulatory system As a doctor, you observed that patient X has speech delay and taller than the normal person. You suspected that patient X has Klinefelter syndrome. What test should be done? A. Karyotype, to see whether he has 3 chromosomes in chromosome 21 that causes the order B. Karyotype, to see whether he has 3 chromosomes in chromosome 18 21 that causes the order. C. Fertility, because person with Klinefelter syndrome is sterile due to testicular atrophy and gynecomastia D. Fertility, because person with Klinefelter syndrome is infertile due to underdeveloped sexual characteristics Ben was asked by his teacher what happens if there is an uncontrolled…(a)Discuss or explain the consequences for a cell if the chromatin could not be remodeled. (b) Does the action of the telemorase enzyme contradict the central dogma of molecular biology? why or why not?Genetic instability in the form of point mutations, chromosome rearrangements, and epigenetic changes needs to be maximal to allow the development of cancer. (a) With diagrams explain point mutations
- Explain about the below: Cancer Cells Contain Genetic Defects Affecting ChromatinModificationsNeed detail explanation Scenario: A 56-year-old client was diagnosed with aggressive bone cancer that required a below the knee amputation of the left leg 14 months ago. The client received recommended chemotherapy and radiation, but it was found recently that the cancer has metastasized to the chest and skull. There is lymph node involvement with a primary tumor partially obstructing the right kidney. The client was readmitted 4 days ago for removal of the remaining portion of the left leg and was told that there is no appropriate surgical or medical intervention that would be beneficial at this point in the disease process. The interdisciplinary health care team has recommended palliative care upon discharge since the client’s life expectancy is between 3 and 5 months. The client has developed a mutually respectful relationship with a nurse on the unit who has provided care throughout all previous hospitalizations. The client shares with the licensed practical nurse (LPN) that, “I…CASE STUDY Cancer-killing bacteria Ralph, a 57-year-old man, was diagnosed with colon cancer.His oncologist discussed the use of radiation andchemotherapy as treatments, both of which can causedebilitating side effects. Ralph decided to explore other optionsand went to a cancer clinic. He learned that researchers in asynthetic biology program were testing the use of geneticallymodified bacterial cells designed to selectively invade specifictumors and kill cancer cells, with no effects on normal cells.Ralph decided to participate and was informed that he wouldbe part of a phase III trial, comparing the effects of the modifiedbacterial cell treatment against conventional chemotherapy.However, as part of the trial, he would be randomly assigned toreceive one or the other treatment. He was disappointed to learnthis, because he assumed that he would receive the bacterialtherapy.Question: Informed consent is legally and ethically required beforesomeone participates in a clinical trial.…
- Explain the advantage of the systems biology approachto studying cancer versus the approach of studying asingle gene at a time.Give typing answer with explanation and conclusion 2. Differentiate sporadic, familial, and inherited types of cancer and include the percent of occurrence for each.Explain the mechanism of these in cancer treatment, all details needed. no details no rate.