Microbiology Pioneers of Microbiology I. Antonie van Leeuwenhoek (Oct. 24‚ 1632- Aug. 30‚ 1723) A. In 1676 Leeuwenhoek saw tiny organisms in water‚ he was the first man to observe and describe bacteria accurately. He discovered microscopic nematodes‚ blood cells and sperm. He also made over 500 microscopes to view specific objects. B. Microbiology is concerned with the study of all forms of life that are too small to be seen with the naked eye. Antonie’s work dealt with bacteria‚ which
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Reading Guide to Carson‚ Silent Spring Reading Guide to Rachel Carson‚ Silent spring / Drawings by Lois and Louis Darling. Boston: Houghton Mifflin‚ 1962. (QH545.P4 C38 1962) Read: Chapter 6 (Earth’s Green Mantle) Core Question/Issue: What impacts does manipulation of life bring? The use of herbicide and the ignorance of man. What are the impacts on the manipulation of life? Introduction: The author: Rachel Carson The book: an overview The chapter # Example from text to illustrate
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Animal experimentation is a big part of medical progress. Opponents of animal testing point out the amount of animals used and the different types of animals used but if you look at it‚ it’s all for a good reason. Animal experimenters don’t do this just to do it. It’s for a purpose. There are thousands upon thousands of medical situations that couldn’t have been done without animal experimenting. Animal suffering is pointed out but for the most part animals go without feeling any pain. Animal experimentation
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FOOD QUALITY Quality * Relates to excellent product or services that fulfills or exceeds our expectations Food Quality * Includes all attributes that influence product’s value to the consumers. This includes‚ Negative attributes (e.g.spoilage‚ contamination with filth‚ discoloration‚ off odors & flavors; Positive attributes (e.g. origin‚ color‚ flavor‚ texture and processing method used -Food Quality is a term which may refer to several things: ♣ the extent to which food contains
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In Vitro Reproductive Development of Peanut‚ Arachis hypogaea L.‚ as Influenced by Plant Growth Regulators‚ Sucrose and pH1 Q. L. Feng‚ H . E. Pattee*‚ and H. T. Stalkef ABSTRACT Research on in vitro embryo culture in Arachis has the objective ofrescuinginterspecific hybridembryos which abort before they reach maturity. This study explored effects ofthe three exogenous plant growth regulators 1naphthaleneacetic acid (NAA)‚ gibberellic acid (GA‚)‚ and 6-benzylaminopurine (6-BAP); sucrose; and
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Biological vs Chemical Pest Control All living things strive to survive‚ but unfortunately the needs of other creatures sometimes conflict with our needs. An example of this conflict is the struggle between pests and humans. Pests are creatures that injure or kill plants or domestic animals‚ transmit disease‚ cause economic damage or are a nuisance in some other way. They eat our food crops or ornamental plants‚ infect plants that are useful to us‚ make us sick by transmitting infectious organisms
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Advantages of modern agriculture During the latter half of the twentieth century‚ what is known today as modern agriculture was very successful in meeting a growing demand for food by the world’s population. Yields of primary crops such as rice and wheat increased dramatically‚ the price of food declined‚ the rate of increase in crop yields generally kept pace with population growth‚ and the number of people who consistently go hungry was slightly reduced. This boost in food production has been
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The Black Abalone An Invertebrate Report Biology – BIOL1000 Abstract The black abalone or Haliotis cracherodii as it is known from its genus species designation is a large‚ edible sea snail. The shell coloring on the outside is a dark blue or green or black‚ and the interior is a pearly iridescent colour. The shell shape is spiraled and very smooth. It uses a muscular foot to adhere itself to rock bases‚ and is fairly nocturnal for its own protection. It is lives along the coast
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------------------------------------------------- Isolation and Culture of Zoosporic Fungi using Baiting Technique ------------------------------------------------- Rillera DP ‚ Talibsao K ‚ Talucod AC and Tan P Department of Biological Sciences‚ College of Science‚ University of Santo Tomas‚ España Street‚ Manila 108 ------------------------------------------------- Zoosporic fungi belonging to class Oomycetes of Kingdom Chromista and Phylum Chytridiomycota of Kingdom Eumycota‚ were
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Organisms are open systems that interact continuously with their environment. The study of the interaction between organisms and the environment; the connectedness between living systems and non-living systems on the Earth is called ecology. The term “ecology” which was coined by Ernst Haeckel comes from the Greek root words oikos logos literally meaning “the study of household”. Haeckel was referring to the interactions within the house of nature and we have used the word ecology (translated from
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