Drowning It’s always sad when you hear about a child drowning or when there was a person found dead around a bunch of water. There are many different ways to die but we will only be covering one of them in this essay and that would be drowning. The definition of drowning is “death from asphyxia due to suffocation caused by water entering the lungs and preventing the absorption of oxygen leading to cerebral hypoxia.” (Wikipedia) Asphyxia means that there is not enough or lack completely thereof
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CAL Biology Practical 2 – Identification of Biochemicals in Pure Form Name :……………………………………………………………. MARK: Class :……………………………………………………………. PRACTICAL 2: IDENTIFICATION OF BIOCHEMICALS IN PURE FORM CAUTION: Any heating that has to be done in the following tests should be carried out in a water bath at the boiling point of water. Direct heating of test-tubes should not take place. Introduction Biochemical Tests Qualitative - present/ absent Semi-quantitative - present in >/<
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1g of protein the same way every time‚ protein companies like to make their product competitive by offering a variety of qualities and ingredients in their protein supplements. A brand of protein powder‚ “Tough Guy”‚ claims that if a person were to dilute 1 gram of protein powder in 100ml of water‚ the final concentration should be approximately 0.40 mg/ml (+/- 5%) protein. The objective of this experiment is to determine whether the manufacturer is telling the truth. MATERIALS AND METHODS One gram
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cell membrane is semi permeable. They allow small molecules like oxygen‚ water‚ amino acids etc. to pass through but will not allow larger molecules like sucrose‚ starch‚ protein etc. through. A region of high concentration of water is either a very dilute solution of something like sucrose or pure water. In each case there is a lot of water: a high concentration of water. A region of low water concentration is the opposite of the above‚ i.e. a very high concentration of sucrose solution: a low water
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pH analysis‚ conclusions can be made about the drug used on the rat as to whether the rat’s pH went up or not to analyze side effects of the drug. If the pH becomes too acidic serious health effects can occur. Question 1: Since blood is a very concentrated mixture‚ one dilution may not give a perfect
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of lower concentration. Passive transport includes osmosis and facilitates diffusion. Osmosis is a special case of diffusion; it describes the passage of a solvent from a weaker solution‚ where there is higher water potential‚ to that of a more concentrated solution that has a lower water potential through a partially permeable membrane in order to achieve the state of equilibrium. A partially permeable membrane acts as a barrier to some substances but allows others to penetrate through freely.
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and severe. According to www.symptomsofdehydration.com mild dehydration occurs when the body has lost 2% of its total fluid. Mild dehydration symptoms are often; but not limited to: thirst‚ lost of appetite‚ dry skin‚ skin flushing‚ dark colored urine‚
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Introduction In this experiment‚ exo-norborneol was produced by a hydration of alkenes by using an acid and excess water. Hydration of alkenes is the acid-catalyzed addition of water to a carbon-carbon pi bond that leads to the formation of an alcohol. Norbornene is a bridged cyclic hydrocarbon‚ this molecule contains a double bond that induces significant ring strain‚ and therefore‚ it is highly reactive. In order for this reaction to occur‚ equilibrium must be established between the hydration
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size without bursting‚ lending to the animal’s ability to hold dubious amounts of water. In a further effort to aid the animal survive the arid climate‚ the kidneys have also evolved. To help reduce water loss‚ the kidneys can produce urine so concentrated it contains twice the salt content of sea water and thick as syrup. Camels can also use their excrement to hydrate if absolutely necessary – it has developed the ability to extract water from their fecal
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A Team Project Entitled: Feasibility of Mustard (Brassica Integrifolia) Root Extract for Water Phenol Decontamination ANNA KRIZA D. LACHICA MA. ANGELICA V. RAMOS RESEARCHERS MS. CRISTINE SEALZA SAÑADA RESEARCH TEACHER February 7‚ 2011 Table of Contents Acknowledgement.....................................................................................................3 Abstract ...............................................................................................
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