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BSC 1005 UNIT 2 EXAM WITH ALL QUESTIONS AND ANSWERS
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BSC 1005 UNIT 2 EXAM WITH ALL QUESTIONS AND ANSWERS...
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BSC 1005 UNIT 2 E XAM WITH ALL QUES TIONS AND ANSW ERS Tumours or an overabundance of cells in the blood interfere with the normal function of tissues or organs, making cancer a physiological disease. Cancer starts at the cellular level. ANSWER The body's incapacity to regulate a cell's or a group of cells' division is the first step towards cancer. In response to regulatory cues during growth and development or to replenish ageing, worn-out cells, new cells are generated. - as a result of signals that help injured tissue heal - under the control of genes and hormones Old cells that are worn down and damaged are replaced by new cells. The synthesis of new cells ___________ injured tissues. - ANSWER fixed or replaced Which two cancer kinds have the potential to start in skin cells? - ANSWER: carcinoma and melanoma Muscle _________ is made up of several muscle cells that work together to produce an organ within an organ _______, which can also include other organs. ANSWER system, tissue The best way to describe cancer is as follows: it is a disease that starts in a single cell or a group of cells and can spread to tissues and organs, impairing the ability of bodily components to function normally. Only the right number of cells are produced during normal cellular reproduction because - ANSWER genetic processes and signals like hormones control this process The best definition of cancer is: ANSWER an illness brought on by an inability to regulate cell division What occurs in a normal, healthy body when there is a tissue injury to the body? ANSWER cell division restores the tissue by creating new cells to replace the damaged ones. Cancer formation - ANSWER 1) a cell or collection of cells starts to divide erratically 2) An overabundance of cells causes tumours and/or raises the blood cell count 3) The growth and spread of cancer cells results in physiological alterations that impair the ability of tissues and organs to operate normally. Melanoma - Answer for skin cancer Leukaemia ANSWER: White blood cells in bone marrow (cancer) skin (cancer) or the lining of internal organs - ANSWER carcinoma connective tissues, such as ANSWER sarcoma (cancer) immune system tissues and cells (cancer) - ANSWER lymphoma Which theory best explains how a cell's activity is regulated? - ANSWER The instructions that are carried out by each of our body's cells are encoded in a series of bases found in its DNA. Human Organisation Levels: ANSWER 1. cells 2. tissues 3. organs 4. organ systems 5. organism Because eukaryotic cells contain organelles, they are ANSWER specialised.The benefits of buying summaries with Stuvia:
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