and the absorbance was recorded every 5 seconds for 360 seconds. For the second part of the experiment‚ the same calibration steps were repeated and then‚ 2.0 mL of the 0.2 M NaOH and 2.0 mL of the 0.2 M NaCl were added to a small test tube. After this step‚ 1 drop of phenolphthalein was added and inverted several times to mix. With the Spec-20 set to absorbance mode‚ the test tube was quickly placed into the sample holder and the absorbance was recorded every 5 seconds for 360 seconds. After each
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Echinoderm Echinoderm diversity Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Superphylum: Deuterostomia Phylum: Echinodermata Klein‚ 1734 Subphyla & Classes Homalozoa † Gill & Caster‚ 1960 Homostelea † Homoiostelea † Stylophora † Ctenocystoidea † Robison & Sprinkle‚ 1969 Crinozoa Crinoidea Paracrinoidea † Regnéll‚ 1945 Cystoidea † von Buch‚ 1846 Asterozoa Ophiuroidea Asteroidea Echinozoa Echinoidea Holothuroidea Ophiocistioidea † Helicoplacoidea †
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BIOLOGY 1403 – ANIMAL BIOLOGY SP2013 Dr. Matthew Kaser Office: South Science 402 matthew.kaser@csueastbay.edu Office Hours: W 3:30-4:30 Objectives – To introduce students to the science of animals by: * Comparing the structural and functional characteristics of different animal groups in an evolutionary and ecological context. * Conducting experiments‚ collecting and analyzing data‚ and writing scientific papers‚ and through hands-on interaction with animal phyla *
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htm Bentor‚ Y. (n.d.). Periodic Table: Aluminum. Retrieved September 17‚ 2014‚ from Chemical Elements.com: http://www.chemicalelements.com/elements/al.html Education‚ T. J.-O. (n.d.). The Element Aluminum. Retrieved September 17‚ 2014‚ from Jefferson Lab : http://education.jlab.org/itselemental/ele013.html Winter‚ M. (n.d.). Aluminium: the essentials. Retrieved September 17‚ 2014‚ from WebElements: the periodic table on the WWW: http://www.webelements.com/aluminium/
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GCSE Biology B General Certificate of Secondary Education Unit B731/02: Modules B1‚ B2‚ B3 (Higher Tier) Mark Scheme for June 2012 Oxford Cambridge and RSA Examinations OCR (Oxford Cambridge and RSA) is a leading UK awarding body‚ providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels‚ Diplomas‚ GCSEs‚ OCR Nationals‚ Functional Skills‚ Key Skills‚ Entry Level qualifications‚ NVQs and vocational qualifications
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Hong Kong Diploma of Secondary Education Examination Integrated Science School-based Assessment Sample Tasks Teachers may use the sample tasks for non-profit making educational and research purposes with proper acknowledgement. © 2009 Hong Kong Examinations and Assessment Authority All Rights Reserved 2009 TABLE OF CONTENT Task C1 C2 C4 C5 C6 C7 C8 E3 Title Osmosis in Living Tissue Catalytic Activity of Enzyme Action of Electricity on Substances Encountered in Daily Life Do
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10/7/12 AP: Advanced Placement or Absolute Pain? “Are you ready for a unique learning experience that will help you succeed in college? Through AP’s college-level course and exams‚ you can earn college credit and advanced placement‚ stand out in the admission process‚ and learn from some of the most skilled‚ dedicated‚ and inspiring teachers in the world.” This excerpt comes from the main web page about AP course on College Board’s official website. In 1900
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Section 5.1 Know the basic units of pressure. The basic units of pressure are atmospheres‚ psi‚ mm of Hg‚ torrs‚ and Pascals (Newtons per square meter) Know the difference between gage and atmospheric pressure. Atmospheric pressure is the pressure exerted by the earth’s atmosphere at any given point‚ being the product of the mass of the atmospheric column of the unit area above the given point and of the gravitational acceleration at the given point. Gage pressure is measured on a pressure
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Apartheid An official policy of racial segregation‚ involving political‚ legal‚ and economic discrimination against nonwhites. Ex: South Africa Balkanization To divide (a country‚ territory‚ etc.) into small‚ quarrelsome‚ ineffectual states. Ex: Sudan Barrioization Defined by geographer James Curtis as the dramatic increase in Hispanic population in a given neighborhood Ex: Large Cuban immigration to Miami Dowry Property or money brought by a bride to her husband on their marriage
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Vol 455 | 11 September 2008 | doi:10.1038/nature07271 ARTICLES Strigolactone inhibition of shoot branching ` Victoria Gomez-Roldan1‚ Soraya Fermas2‚ Philip B. Brewer3‚ Virginie Puech-Pages1‚ Elizabeth A. Dun3‚ Jean-Paul Pillot2‚ Fabien Letisse4‚ Radoslava Matusova5‚ Saida Danoun1‚ Jean-Charles Portais4‚ ´ Harro Bouwmeester5‚6‚ Guillaume Becard1‚ Christine A. Beveridge3‚7*‚ Catherine Rameau2* & Soizic F. Rochange1* A carotenoid-derived hormonal signal that inhibits shoot branching in plants
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