understand that proteins and DNA are not just abstract concepts in biology textbooks but rather crucial components of our bodies that affect familiar functions and characteristics. Key Concepts: • Proteins are responsible for many important aspects of cell structure and function. • Differences in the structure and function of proteins result in differences in the characteristics of biological organisms. Teaching Approaches: 1. Brainstorming session using the probe "What are proteins? Why are
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Case Study: Spherocytosis Spherocytosis is a condition that affects red blood cells. People with this condition typically experience a shortage of red blood cells which is anemia‚ yellowing of the eyes and skin also known as jaundice‚ and an enlarged spleen which is called splenomegaly. Most newborns with spherocytosis have severe anemia‚ although it improves after the first year of life. Splenomegaly can occur anytime from early childhood to adulthood. About half of affected individuals develop
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in males. Erythropoetin makes red blood cells and therefore‚ more are found in males than in females. 4. List the following values from Chart 1: Hematocrit value for healthy male living in Denver 55 Hematocrit value for healthy female living in Denver 53 5. How did these
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Ex: sickle-cell disease II. Sickle-cell disease A. Homozygous for sickle-cell allele. B. Oxygen-carrying protein hemoglobin differs by one amino acid from normal hemoglobin. C. Defective hemoglobin forms crystal-like structures that change the shape of the red blood cells. D. Normal red bloods cells are disc-shaped‚ but abnormal red blood cells are sickle-shaped or half- moon. E. The change in shape occurs in the body’s narrow capillaries after hemoglobin delivers oxygen to the cells. F. Heterozygous
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the four main components of blood. The four main components of blood are Red blood cells‚ White blood cells‚ Platelet and Plasma. The red blood cells contain hemoglobin‚ a protein that binds oxygen. Red blood cells transport oxygen to‚ and remove carbon dioxide from‚ body tissues. The white blood cells fight infection. One type of infection-fighting white blood cells fight disease by producing antibodies and thus destroying foreign materia. The platelets help the blood to clot‚ if you get a wound
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: M13D Date : 6th September 2013 Title : Movement through the plasma membrane Hour : 2 hours Assessment : Design Aim : To study the effect of lipid solubility of molecules on permeability of plasma membrane of animal cell. Introduction : Diffusion: In general‚ diffusion process occur when there is a concentration gradient between two region .Molecules (other than water) will move by diffusion as long as there is a concentration gradient. A concentration gradient
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Anemia A blood type is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins‚ carbohydrates‚ glycoproteins‚ or glycolipids‚ depending on the blood group system. Some of these antigens are also present on the surface of other types of cells. Some of these red blood cell surface antigens can stem from one allele and collectively form a blood group system. It is called The ABO system and it
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of but the transportation of oxygen and carbon dioxide by diffusion in human is insufficient‚ this distribution is enabled by a movement of fluid called blood‚ In effect human body use one molecule found in the red blood cell called haemoglobin‚ on the other hand the haemoglobin can be define as a molecule found in the red blood cell which deliver or transport oxygen to the rest of body muscles and tissues. In this our essay we are going to describe the chemical structure which form the
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Aplastic anemia is a condition where bone marrow does not produce sufficient new cells to replenish blood cells.[1] The condition‚ per its name‚ involves both aplasia and anemia. Typically‚ anemia refers to low red blood cell counts‚ but aplastic anemia patients have lower counts of all three blood cell types: red blood cells‚ white blood cells‚ and platelets‚ termed pancytopenia. ------------------------------------------------- [edit]Signs and symptoms * Anemia with malaise‚ pallor and associated
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Vizcarra Jr. BS Psychology Scott’s blood test shows that he has excess red blood cells. Identify and describe two causes of this disorder. Scott’s disorder is polycythemia‚ which occurs because of excess number of erythrocytes in the blood. This disorder may result from bone marrow cancer (polycythemia Vera) or secondary polycythemia. The increased in slowness of the blood result from polycythemia. Discuss why Martina‚ who has blood type A‚ cannot receive blood type B during a transfusion. Martina
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