"Endomitosis in salivary gland of drosophila melanogaster" Essays and Research Papers

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    Pituitary Gland

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    Pituitary Gland (Hypophysis) About the size and shape of a pea‚ located in the sella turcica of the sphenoid bone‚ attached to the hypothalamus via a stalk called the infundibulum. It has two major lobes‚ one neural and one glandular.   Posterior Lobe (Neurohypophysis) – composed of nervous tissue; releases neurohormones that it receives ready-made from the hypothalamus; oxytocin and anti-diuretic hormone (ADH); released on demand in response to nerve impulses from hypothalamic neurons.   Anterior

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    Thyroid Gland

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    The thyroid gland is an important organ of the endocrine system and located in front of the neck below the larynx consisting of two lobes on each side of the windpipe. It regulates the physical and chemical processes that occur at the cellular level. It regulates the manner and rate at which the tissues utilize food and natural chemicals for the production of energy and to expend that energy into body heat and muscular energy. The thyroid gland produces hormones from the thyroid tissue cells called

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    Endocrine Glands

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    Endocrine system Endocrinology is the study of chemical communication systems that provide the means to control a huge number of physiologic processes. Like other communication networks‚ endocrine systems contain transmitters‚ signals and receivers that are called‚ respectively‚ hormone producing cells‚ hormones and receptors. The first step in understanding endocrinology is to explore the meaning of such terms as hormone‚ receptor and target cell‚ and to obtain an understanding of how chemical

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    How did the Drosophilia melanogaster impact Genetics? Thomas Hunt Morgan used Drosophila melanogaster for studying heredity. Morgan used the Drosophila melanogaster‚ known as the fruit fly‚ because it feeds on decaying fruit. It is small‚ about 3 mm long‚ and easy to raise in the laboratory; a thousand can be collected in a one-quart glass milk bottle. Moreover‚ it is fertile all year long and very prolific‚ producing a new generation every twelve days‚ or thirty generations per year. Not only

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    INTRODUCTION TO DROSOPHILA GENETICS DROSOPHILA CULTURE We will study basic principles of Mendelian inheritance with the use of the fruit fly‚ Drosophila melanogaster [the name means “black-bodied fruit-lover”]. Drosophila was one of the first organisms to be studied genetically: its small size‚ short life cycle (10 ~14 days at 25oC)‚ high reproductive rate (an adult female can lay 400-500 eggs in 10 days)‚ and ease of culture and genetic manipulation have made it perhaps the best understood animal

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    Drosophila Fruit Flies

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    The fruit fly Drosophila melanogaster are an excellent specimen for research in genetics. Many reasons are that they have a rapid reproduction rate‚ easy to care compared other animals and less expensive. Researchers have determined the nucleotide sequence of nearly the entire 120 megabase euchromatic portion of the Drosophila genome (Cite). Drosophila has a simple genetic arrangement of only four chromosomes which contains three autosomes and one sex chromosome according to(--) and because of this

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    mammals is also present in other animals‚ specifically in Drosophila‚ and if so‚ to try to understand the neural pathways that are involved in the process of memory acquisition and consolidation‚ and understanding how the information acquired from the learning experience is stored and protected during the period of delay. In other words‚ the researchers are trying to investigate the mechanisms of long-term memory consolidation in Drosophila through a courtship memory paradigm so as to determine whether

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    D. Melanogaster Lab Report

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    Mrs. Strait Period 7 1-9-12 Drosophila Melanogaster: Predicting Traits Lab Report The purpose of this study is to get an accurate look on how genetics work‚ and to practice determining the different traits within the species. D. melonogaster are useful because they are easily cultured and they reproduce very quickly. The eye color data supports past genetics problems because it can be predicted‚ and used in Punnett squares to aid in the prediction. If the P generation consists

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    Iodine and Thyroid Gland

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    body is found in the thyroid gland‚ but is found also in the blood and muscles. The body contains approximately 20 to 30 mg of iodine which is mostly stored in the thyroid gland located in front of the neck. Food sources: Milk is the major source‚ fish from the sea‚ ‚ shell fish‚ fish liver oil‚ sunflower seeds‚ yogurt(low fat) egg‚ strawberries‚ mozzarella cheese and iodized salt. Seaweed is also a good source of iodine. Function : Help ensure proper thyroid gland functioning. Keeps hair‚ skin

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    Introduction: The purpose of this lab was to check the time needed for salivary amylase and phosphorylase to produce a negative result and how different concentrations affected those times. Enzymes are biological catalysts that can cause a specific chemical change in any part of the body (Walsh‚ 2002). Many of the reactions that take place within a cell would normally take place at temperatures substantially higher than those present inside a cell (Alberts et al.‚ 2010). Because of this‚ these chemical

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