Bio Per.1 2-13-13 Cancer reflection Is cancer a disease due to genetics or environment? Cancer is a disease both caused by genetics and environmental factors. Each person has either proto-oncogenes or oncogenes. These are the genes that are responsible for regulating cell division. When a person has an oncogene it is a mutation of a proto-oncogene. The oncogene (dominant gene) tells the cell to continuously divide. This can be a problem if the cell is cancerous. Cancer cells are caused by
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The diagnosis of prostrate cancer is done by doing a biopsy of the prostrate gland. The PSA test is performed and if the test is found to be abnormal‚ the cancer test is positive. The biopsy of the prostrate gland is done transrectally and the signs are obtained by ultrasound images. A needle is used to cut a small portion of the prostate gland. Normally‚ portions are taken from the base‚ apex and mid area of the prostrate gland. Sometimes‚ a large number of samples are taken to gain more efficiency
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Testicular cancer involves the malignant transformation of normal gonocytes into germ cell tumours. It is the most common malignancy amongst men aged 15-35 years‚ and has a current cure rate of 90%‚ however incidence amongst Caucasian males is steadily rising.1 There are three main types: teratoma‚ usually neonates and children; seminoma/nonseminoma‚ occurs in men >15 years old; and spermatocytic seminoma which occurs in men >50 years old. Seminoma/nonseminoma are the most common‚ and only malignant
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1. What is Bagchi hoping to accomplilsh as the Gardener? What is your assessment of the Gardening process? (3 Marks) Bagchi as a Gardener purpose is to successfully groom the next level of leader in Mindtree. His job is something like a gardener tending to the plant offer guidance and groom leader thru self-discovery and reflection‚ Bagchi believe that the next level of leaders will be like a gardener tending to the garden themselves and in turn help groom and provide for his subordinates.
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Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell anaphase b. Chromatin coils to form visible chromosomes prophase c. The nuclear membrane disappears prophase d. Sister chromatids line up in the center of the cell metaphase 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Prophase
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Ovarian cancer can develop from the epithelial cells surrounding the ovary‚ the germ cells‚ or stromal cells within it. Epithelial ovarian carcinomas account for 85-90% of ovarian cancers‚ and will be the focus of this essay. Most symptoms of epithelial ovarian cancer are due to the fact that it often spreads to the lining of and organs in the abdominal cavity. These symptoms include bloating‚ pelvic or abdominal pain‚ urinary urgency or frequency‚ and trouble eating associated with feeling of fullness
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amelanotic melanoma; Amelanotic melanoma is a form of skin cancer that lacks dark colors such as brown and black that are mostly seen in other forms of skin cancer. About 2.8 percent of melanomas are amelanotic‚ the risk of dying is higher since this form of skin cancer is hard to fight when found. This cancer is mostly found in advanced stages because it is so hard to detect from its looks as if it’s normal skin with a pinkish pigment to it. Skin cancer is mainly found in white patients and has pink growth
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From an early age‚ Australians receive constants warnings about the dangers of the sun. In fact‚ skin cancer is so common among Australians; estimations are that 66% of the population will receive a skin cancer diagnosis before they turn 70. You already know to be wary of moles on your body when they change shape‚ but did you know there are other signs of skin cancer too? As someone who does like to hang out in the sun‚ these are the other signs you need to get your skin checked out by a professional
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Colon cancer symptoms: The cancer of colon and rectum can cause many different symptoms. You may be completely asymptomatic also. It is important to seek medical help if you develop the following symptoms‚ Rectal bleeding: You may notice large amount of bleeding in the rectum or blood mixed with the stools. Many a times‚ people mistake it for “haemorrhoids” thus averting early diagnosis. This rectal bleeding may be hidden and chronic showing up as “iron deficiency anaemia” which in turn causes pale
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Colorectal cancer The colon‚ or the large intestine‚ is the lower part of the digestive system. The last few inches of it are called the rectum. Cancers in these regions are often referred to as colorectal cancer. Colorectal cancer is the second most common cancer in the world‚ with more than a million cases and over 694‚000 deaths every year. Gastroenterologists‚ specialists of gastrointestinal tract diseases‚ recommend regular screening tests to help prevent colon cancer by identifying polyps
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