A Basic Understanding of Microscopy Assignment 1 Kaplan University-Microbiology Since microorganisms are not visible to the eye‚ the essential tool in microbiology is the microscope. One of the first to use a microscope to observe microorganisms was Robert Hooke‚ the English biologist who observed algae and fungi in the 1660s. In the 1670s‚ “Anton van Leeuwenhoek‚ a Dutch merchant‚ constructed a number of simple microscopes and observed details of numerous forms of protozoa‚ fungi‚ and bacteria”
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Druckfreigabe/approval for printing Without corrections/ ohne Korrekturen After corrections/ nach Ausfçhrung der Korrekturen ` j89 1 2 3 4 5 6 7 8 9 Q1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ` Date/Datum: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Signature/Zeichen: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Nonantibiotics – An Alternative for Microbial Resistance: Scope and
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What causes global warming? Global warming is when the earth heats up (the temperature rises). It happens when greenhouse gases (carbon dioxide‚ water vapor‚ nitrous oxide‚ and methane) trap heat and light from the sun in the earth’s atmosphere‚ which increases the temperature. This hurts many people‚ animals‚ and plants. Many cannot take the change‚ so they die. The diagram below shows the causes global warming. Global warming is divided into two main causes which are man-made and natural
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Multi-Colored Fabric Dye From Talisay (Terminalia catappa) Leaves Extract Pauline Mariz Manuel Marjorie Marmeto Jiezel Ann Sescar Mrs. Ma. Regaele Olarte (Research Adviser) Statement of the Problem The researchers aimed to determine if the Talisay (Terminalia catappa) leaves extract could be developed as a multi-colored fabric dye. Specifically‚ the study sought to answer the following questions: 1. Can Talisay (Terminalia catappa) leaves extract be developed as a multi-colored dye? 2. Is
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------------------------------------------------- Question 1 1. ------------------------------------------------- ------------------------------------------------- An oral agreement to hire a person for two years is not enforceable. ------------------------------------------------- Answer True False 2 points ------------------------------------------------- Question 2 1. ------------------------------------------------- -------------------------------------------------
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plentiful food. New World innovation came not from creating machines‚ but from building on and expanding on the environment around them. For example‚ the dyes produced by the native people were revolutionary. Red dyes in Europe were mottled and orange‚ and the only true red colors were expensive. The Native people‚ however‚ were able to make these dyes out of bugs found on prickly pear cactus. Another huge contribution that the Natives made to the Europeans was their advancements in food. Scholars are
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individuals were allowed to own and wear‚ an easy and immediate way to identify rank and privilege. The materials and even the colors of Elizabethan clothing were therefore very important and sections have been dedicated to these subjects in relation to dyes‚ fabrics and the type of clothes that men were allowed to wear and
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Secondary storage (optical) Table of contents Why was secondary storage needed? 1 Different types of optical discs: 1 1‚ CD (compact disc): 1 2‚ DVD (digital versatile storage) 2 3‚ Blu-Ray Disc (BD): 3 Which type of recordable disc should I choose: 3 Understanding the difference between the Live File System and Mastered disc formats: 3 Discs formatted with the Live File System option: 3 Discs formatted with the Mastered option: 4 Questions from students: 4 References: 5
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|Observations of the Reaction| A.|NaHCO3 + HCl| H12|White and bubbled slightly and settled down to smaller smaller bubbles| B.|HCl + BTB| H11|Golden yellow; looked darker under the black paper| C.|NH3 + BTB|H10 |Dark blue| D.|HCl + blue dye| H9|Greenish color| E.|Blue dye + NaOCl| H8|Blue and lighter than NH3+BTB solution color| | with the 1 drop of HCl| H8|Turned blue green in color| F.|NaOCl + KI| |See back page| | with 1 drop of starch| || G.|KI + Pb(NO3)2| H6|Bright yellow | H.|NaOH + phenolphthalein|
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. Safety aspect of glow sticks Glow sticks are a form of lighting typically used in events and parties. The chemicals responsible for luminescence are contained within a plastic case. The chemicals are separated by a glass vial‚ such that when the stick is bent‚ the vial breaks and allows the reaction to occur. In general‚ glow sticks are considered safe to use. None of the chemicals used are classified as radiation‚ flammable or explosive hazards. Some of the chemicals however‚ are classified
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