Sickle cell anemia is an inherited blood disorder that cause the abnormal formation of the hemoglobin protein in red blood cells (Nih). Hemoglobin is an essential protein that resides within the red blood cells supplying oxygen to the entire body. Hemoglobin S causes a mutation in shape of hemoglobin protein causing a group of blood disorders including sickle cell anemia and thalassemia. Sickle cell anemia is a result of one abnormal hemoglobin S gene given to a child by each parent‚ children that
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characteristics of a healthy cell and a cancer cell is very different. Healthy cells stop reproducing when there are enough cells‚ however‚ cancer cells continue to reproduce. Due to this continued growth a tumor‚ which is a cluster of cancer cells‚ is formed. Cancer cells do not interact with other cells like the healthy cells. Healthy cells stop growing when they hear signals from the nearby cells‚ in contrast‚ cancer cells do not respond to these signals. When healthy cells get old or damaged they
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Basal Cell Carcinoma is a form of skin cancer that affects the basal cell layer of the skin. Basal Cell Carcinoma‚ or BCC‚ is the most common form of skin cancer‚ and when early detection occurs‚ there is a high rate of achieving a cancer free outcome. This form of cancer progresses slowly after many years of over exposure to sunlight‚ and or radiation. People with light‚ fair skin have been linked to more cases of Basal Cell Carcinoma. It generally starts on the face‚ neck‚ or even on the top of
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I chose to pursue a STEM degree for multiple reasons. First‚ my lifelong goal is to attain a career where I can help others. All humans were placed on this Earth the same way‚ and no one deserves to suffer from life-threatening diseases and illnesses. I believe that I can help others by researching diseases‚ illnesses‚ and finding cures. Therefore‚ I’m double majoring in microbiology and medical laboratory science‚ and plan on becoming a clinical pathologist. Science always intrigues me‚ and the
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Abstract: Renal cell carcinoma (RCC) is one of the most frequent urological malignancies in adults. It represents for aproximately %3 of all adult malignancies and accounts %90 of neoplasms arising from kidney. RCC often metastasizes to other organs‚ but very rarely to the head and neck region including maxilla and mandible. A 62-year-old man with metastatic renal cell carcinoma to the mandible was presented in this work. Key Words: Renal cell carcinoma‚ Mandible‚ Metastasis‚ Head and Neck
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support‚ move‚ and protect the body; they also give us our features. But without bone cells we would have no bones. Bone cells are the living units that make up your bones and keep them functioning. Bone cells have two major roles‚ which are the production of new bones and resorption or destruction of old bone. They also carry out other small roles. There are four main types of bone cells: Osteogenic‚ which are bone cells that respond to traumas‚ osteoblasts‚ which form bone matrix around themselves by
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The Cell Cycle Brittany Jameson Vista College Abstract The cell cycle is made up of five steps. These steps are interphase‚ mitosis‚ cytoplasmic division‚ cell differentiation‚ and cell death. During mitosis there is a series of four stages. The Cell Cycle To start the cell cycle the cells first go through a step called interphase. During this step the cell grows and synthesizes new molecules and organelles. In the S phase the DNA of the cell is replicated in preparation for cell division
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the Surrounding Area Facts about Mt. Everest Height of the mountain How the mountain was named Peak XV Joloungma (Tibetan name) Sagarmatha (Nepalese name) The number of people who have climbed Everest to date Major Explorers Covered in this Paper Sir Edmund Hillary First to reach the summit (1953) Led a team of experienced mountain climbers who worked together Tenzing Norgay and the Sherpas Norgay was an experienced climber and guide who accompanied Hillary Sherpas still used to guide
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roles of mitotic cell division‚ meiosis‚ and fertilization in the human life cycle. Mitosis allows for growth and repair from the fertilized egg to the adult. In reproductively mature individuals‚ meiosis creates gametes with half the genetic material. The male gamete then fertilizes the female gamete during sexual reproduction‚ forming a zygote with a full set of genetic material. 2. Why are both cell division and apoptosis necessary for the development of an organism? Cell division is needed
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induced pluripotent stem (IPS) cells differ from those currently in place for human embryonic stem (ES) cells. An IPS cell is created artificially from skin‚ fat and fibroblasts by reprogramming patient ’s own cells. Scientists believe IPS cells to be a promising source for treating diseases. An ES cell is created by destroying an embryo. Other scientists think ES cells will also be a promising source because it is composed of your own DNA‚ so the immune system won ’t reject the cell. While scientists
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