There are two different types of gallstone‚ cholesterol stones and pigment stones. Cholesterol stones are made up of cholesterol and are a yellow-green color while the pigment stones are a darker in color and made up of bilirubin. The pigment stones are what are caused by lead exposure and the amount of exposure to lead to create these pigment stone differ from person to person. However‚ the increase in bilirubin is the result in the increase of hemolysis
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Evidence: The process of photosynthesis requires sunlight for its nutrients to make their way into the chlorophyll on green plants. This suggests that without direct sunlight‚ photosynthesis will not be completed correctly or the plants functions will not work properly. Majority of plants that undergo photosynthesis have chlorophyll stored within them‚ it is what gives them their green color. However‚ there are few species of plants that don’t acquire chlorophyll‚ but still undergo the process of
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Chemistry of cosmetics Few people would whip out a chemistry set‚ uncork the vials‚ and slap the compounds on their face. Yet‚ millions of women and girls essentially do that every day when they unzip their makeup bags and apply lipstick‚ mascara‚ and other makeup. Like the compounds in a chemistry set‚ makeup consists of chemicals. Although the chemicals in cosmetic products are intended to improve the appearance of skin‚ lips‚ and lashes‚ some can cause adverse effects. Emulsions The majority
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we can physically see. For example‚ there is a gene that produces protein involved in the production of melanin (skin pigment). When this gene is mutated or non-functional‚ the enzyme is not produced. Hence‚ the pathway of melanin production is shut down and that person does not produce any melanin pigment. This is what we see and call as albinism‚ the people without any pigment in their skin‚ hair and eyes 3. Describe each stage of the flow of information starting with DNA and ending
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to Raman spectrometer which can provide a sample irradiation diameter of up to 1 μm. A polarized unit system is mounted onto the microscope which offers a clear view of the area under investigation‚ necessary for positioning the beam on individual pigment particles. The lower laser powers (up to 0.5 mW) were used to avoid inducing thermal changes to the mineralogy of the iron oxide minerals. Typical exposure time of the CCD was 20s per scan‚ while normally 5 up to 20 accumulations were co-added to
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ACUTE POSTERIOR MULTIFOCAL PLACOID PIGMENT EPITHELIOPATHY (APMPPE) SUMMARY A 19 year-old Army active duty white male‚ presented to the optometry clinic with sudden onset of decreased vision and a constant area of central blurry vision in the right eye for 1½ weeks. The patient noted similar‚ less prominent symptoms in the left eye. Ocular examination revealed multiple circumscribed‚ flat‚ cream colored lesions in the posterior pole‚ originating from the macular area with presentation
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Succulence was determined according to the following equation: Succulence = Fresh Weight/Oven Dry Weight…………………........................................................(1) Measurement of Relative Water Content (RWC%);Relative Turgidity (RT %): Relative water content was estimated according to a modification of the method of Weatherly (1950); Weatherly and Barr (1962); Slatyer (1957);Fletcher et al. (1988)on the final day of the experiment and was calculated by the formula given byKramer (1983).Detached
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Effects of the Pigmentation of an Onion Cell within 40% Ethanol and Deionized Water Purpose: To measure the amount of pigment in a solution of 40% ethanol and deionized water both containing pieces of an onion with a spectrometer. Hypothesis: 40% ethanol breaks down the cell creating less surface area and spreading out the pigment while the deionized water absorbs the pigment in a greater surface area. Procedure: Add 10ml of deionized water and 40% ethanol to a 6-dram vial Add 6g of chopped onion
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Photosynthesis is the process by which light energy is used to convert inorganic compounds into organic substances with the subsequent release. There are many factors which can have an effect on the process of photosynthesis; in this laboratory experiment‚ the focus lies on carbon dioxide (CO2) availably and its effect on photosynthesis. By understanding the component that affect the rate of photosynthesis‚ one can do work to try and increase the rate of photosynthesis. The purpose of this laboratory
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led to the final product of the pencil. These two lesson are also shown in my own version of “I‚ Pencil”; “I‚ Lipstick.” Part 2: I‚ Lipstick‚ am a cosmetic known to most women. I enhance and add color to lips. I am made up of waxes‚ oils‚ and pigments. I am mostly made up of Carnauba wax. This wax is a natural vegetable wax from the leaves of a palm tree known as Copernica Cerifera. This tree is grown in Brazil. The tree exudes a wax through its fan-shaped leaves. This process starts with someone
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