Cytology Essay Examples
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Investigating Membrane Permeability Reason for choosing beetroot as the object of experiments Beetroot is usually used as the membrane ‘disruption’ experiment. It is because of beetroot has more pigments in their vacuole. These pigments show how variables damage the membrane of beetroot. The pigments will be automatically extracted from the vacuole when the membrane is […]
Cell membrane permeability practical investigation This experiment investigates the effect of changes in pH, alcohol, and different concentrations of detergents on beetroot membranes. If the extreme levels of pH would degrade the beetroot cell membrane, the experiment would prove that different solutions react differently. Introduction Cell membranes are the entry points for liquid solutions. They […]
Describe the structure of a molecule of hemoglobin and explain the role played by iron in the transport of oxygen. The structure of hemoglobin is a hemi group. A hemi group consists of an iron (Fe) ion held in a heterocyclic ring. Iron binds with oxygen. Therefore, it has a very important role in transporting […]
Bilirubin, the principal pigment in bile, is derived from the breakdown of hemoglobin when aged red blood cells are phagocytized by the reticuloendothelial system, primarily in the spleen, liver and bone marrow. About 80% of bilirubin formed daily comes from the degradation of hemoglobin. The remainder comes from destruction of heme-containing proteins and catabolism of […]
