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… growth of bacteria. There are two types of antibiotics, broad spectrum and narrow spectrum and they are classed depending on how specific they are and the variety of bacteria they are effective against. Antibiotics have two main uses, fighting infection…
Details: Words: 1454 | Pages: 5.0 (approximately 235 words/page)
… genetic engineering was announced. This new development was "golden rice" that was genetically engineered to contain a substance that the body can convert into vitamin A called beta-carotene. Golden rice was instantly heralded as a miracle cure for…
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… of July, we conducted a field study on Moonboom Island. Moonboom Is. is situated in the Great Sandy Straits between Maroom and Fraser Island and is privately owned. Moonboom is approximately a twenty to thirty minute boat trip form the Maroom boat…
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… It starts when the female ovulates producing an egg. This egg then travels into the fallopian tube where it waits to be fertilized. Once sperm enter the body they must travel up the uterus until they make their way up to the egg. Once at the…
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… used for magnification (usually x10) Objectives - lenses used for magnification Lower powerx4 Medium powerx10 High powerx40 Course adjustment - focuses image, moves focus quickly Fine adjustment - focuses image, moves focus slowly Stage - specimens…
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… of greater concentration to an area of less concentration is called Diffusion. Osmosis is the diffusion of water through a selectively permeable membrane from an area with greater concentration of water to an area with less concentration. A Hypertonic…
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… Acid. DNA is a molecule that forms your chromosomes and genes, and contains all of your genetic material. It is contained in the nucleus of all the cells in your body. Although they may be in all your cells, the cell has the ability to turn off or on…
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… invasion by pathogens. Skin acts as a wall that keeps pathogens out of the body. Secretions of the oil and sweat glands within the dermis make the skin's surface very acidic, inhibiting the growth of many pathogens. Sweat also contains the enzyme lysozym…
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… first looked at a thin slice of cork in 1665; he saw "a lot of little boxes." These little boxes first reminded of the little rooms monks lived in, so he called them cells. Hooke observed the same pattern in the stems and roots of carrots and other…
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… 1665, scientists knew they needed more than the human eye to study objects and living things. Microscopes provide a passport to the unseen world of how cells work, and how the whole organism functions. Magnification is the ability of a microscope to…
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