------------------------------------------------- Banana Leaves as Tea ------------------------------------------------- ------------------------------------------------- Like coconuts‚ bananas grow in abundance here in the Philippines as it is a tropical country. For the many years of study‚ cultivation and propagation‚ research and development‚ we have become as one of the exporters of bananas to the world‚ especially to the United States and Europe – when speaking of the banana fruit‚ of
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Glucose Oxidase and Its Various Uses Aaron Truong Since glucose oxidase has an end product called hydrogen peroxide‚ which is a harmful substance to bacteria‚ it can be used to fight bacteria‚ or sterilize objects (can have various uses such as in hand sanitizers‚ toothpaste‚ soap‚ etc)‚ not just biosensors. Another key part in the reaction would be C6H12O6‚ or glucose. Glucose oxidase can be applied to diabetics as mentioned earlier‚ as biosensors work by "keeping track of the
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Polyphenols (also sometimes termed ‘phenolics’)‚ are benzene rings which is a class of chemical compounds that consists of a hydroxyl (-OH) group‚ which is directly bonded to an aromatic hydrocarbon group. Phenolic compounds are widely produced industrially however; they are also produced by plants (mainly for protection against stress) and microorganisms where variations occur between different species. Polyphenols play vital roles in the growth of plants‚ especially in lignin and pigment biosynthesis
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As mentioned before‚ browning in bananas is an enzymatic process where enzymes such as polyphenol oxidase serve as catalysts in the oxidation of several phenolic compounds. In this experiment however‚ the only reaction being tested is the oxidation of catechol (a diphenol) by the enzyme catalyst catechol oxidase or polyphenol oxidase‚ which initiates a chain of reactions and eventually triggers the formation of brown pigments known as catechol-melanins. Catechol‚ also called 1‚2-dihydroxybenzene
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The tube that contained my unknown material was tube number twenty. I did a gram stain‚ oxidase test‚ and used three different medias to narrow down and identify my unknown organism. The first step I took in identifying was a gram stain. This gram stain would reveal whether my organism is gram positive or gram negative which would narrow my choices from fifteen options down to six. After completing the gram stain‚ my unknown was the color pink. This revealed my unknown as being gram negative.
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Studying the Rate of Reaction of catechol oxidase and how it affects pH levels Introduction: In this lab‚ we studied the activity of an enzyme that is found in fruits and vegetables called catecholase or catechol oxidase. An enzyme is a protein molecule that is a catalyst. Catechol oxidase is the enzyme in fruits and vegetables that turns them that undesirable brownish color; also commonly referred to as bruising or bruised. When walking through your regular grocery store and you find yourself in
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Student Name Assignment 01: Migraines Part A 1.) While very similar in nature‚ the classic migraine has two distinguishing features that differentiate it from the common migraine. 85% of all migraine headaches are characterized as a common migraine. A common migraine often brings about a pain of moderate-to-severe intensity that is described as “throbbing” or “pounding.” While this pain typically manifests itself unilaterally‚ meaning the pain is localized to one side of the head‚ it is
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Concentrations of the Enzyme Catechol Oxidase on the Rate of Benzoquinone Production When Mixed with Pure Catechol Carson Levine November 4th‚ 2013 Abstract Catechol oxidase is an enzyme that speeds up the oxidation reaction when catechol is exposed to oxygen. When the reaction occurs‚ benzoquinone is produced turning the oxidized substance brown. It was hypothesized that the higher the concentration of catechol oxidase‚ the browner the substance will turn‚ and
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Genetic influences on aggression Genes do not directly cause aggression but influence elements of our biology that contribute to it. This can be demonstrated through the following methods; 1.Animal Breeding Studies In animal breeding studies‚ animals are selectively bred for certain traits. If it is possible to breed for aggression‚ this would suggest that genes contribute to aggressiveness. Lagerspetz (1979) bred 25 generations of mice. In each generation‚ she chose the least aggressive individuals
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Genes determine how much testosterone a person’s body produces and how quickly it circulates around their body. Genes also determine the synthesis of testosterone receptors‚ and how many and how sensitive such receptors are. The gene called monoamine oxidase A (MAOA) produces an enzyme which regulates the metabolism of serotonin in the brain. Aggressiveness is influenced by a variation in the MAOA gene; Low level activity of MAOA results in low levels of serotonin which have been associated with increased
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