Cancer Essay Example | Topics and Well Written Essays - 1250 words - 5

Cancer - Essay Example There are many different types of cancers originating in the human body owing to the different types of cells in the body. A few examples of cancers are skin cancer, lung cancer, prostate cancer and breast cancer. Cancer is an abnormal multiplication of the cells which may originate in any cell of the human body owing to the lack regulatory processes and this pathological state can be treated by different treatment modalities (Kumar et al 2005). Under the microscope, cancer cells reveal different structural characteristics because of which they can be differentiated from the normal cells of the body. They are pleomorphic in nature, which means that they have a tendency to have a variable size and shape which is not in accordance with the normal cells. The cancer cells have different size and different shapes. Most of the cancer cells have large nuclei in comparison to the surrounding normal tissue cells and the nuclei of the cancerous cells contain abnormal number of chromosomes, a condition known as aneuploidy. The aneuploidy may occur due to a mutation or deletion of a chromosome. The cell membrane of the cancer cells produces surface enzymes which have the ability to damage the basement membrane of tissues. This characteristic assists in the spread of the cancer from its site of origin to the surrounding non-cancerous cells and damages them as well. The cancer cells show increased rate of mitosis. Mitosis is the process of the reproduction of the new cells and hence the cancer increases in its size and crosses its boundaries to spread out of its confines. The cancer cells have differences in metabolism in comparison to normal cells. Their metabolism is more anaerobic and therefore they may even combat hypoxic conditions. The cancer cells have the propensity to spread from the primary cancer site from where the tumor begins to grow to the adjacent normal tissues. This phenomenon is

Assignment 3 Example | Topics and Well Written Essays - 750 words - 6

3 - Assignment Example On contrary, another statement states that, â€Å"ESL students can understand the basic grammar rules of language only if they are able to create a lot of new sentences†. Qs.2 knowledge is a true opinion comprising of a rational explanation or definition, and it is also a real belief or a sensation. However, belief is the inner state of mind that is directly accessible to the introspection that relates to human behavior. Belief always plays a central role in the theoretical reasoning and involves a practical reasoning. For instance, in pdf.1, in appendix 3, an example of belief is a statement that states, ‘some people tend to have the ability to learn foreign language’. For a person to have knowledge there must exist a sense of truth, justification, and belief, on a basis of believing in them. For example, a knowledge is evident in this article, whereby the truth remains that ‘English is a foreign language to the non-natives’. Qs.3. Teacher’s beliefs play vital roles towards student’s reaction, acceptance, and theories that concern language. Teachers were also once students thus their understanding about teaching often reflects on to students on how they also learn a language. The beliefs also portray a clear picture in expressing the realities that may influence classroom practices. The teacher’s view shows that, it is their role to offer a part in playing and interaction with the native speakers. in chapter 9, the word ‘smoothly running’ a classroom is used. According to me the word means a proper class or the one that is in order. Similarly, goal of the lesson and a means by which goal is achieved is the main distinguishing factor of a language. Teachers have a number of concerns. They usually plan the activities designed for facilitating learners in the use and acquisition of language. According to Doyle (396) an orderly course is the one within acceptable