10-21-14 Ms. Stephenson AP Biology Autotrophs vs. Heterotrophs Autotrophic organisms are called “producers” because they create their own food. The word “autotrophic” in Greek means “self-feeding”. Most autotrophs are green plants‚ algae‚ and some bacteria. A small number of bacteria‚ including the ancient Archaea group are capable of generating food from sulfur or other chemical reactions‚ but the majority of autotrophs rely on sunlight to carry out a process called photosynthesis
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Compare and contrast autotrophs and heterotrophs. Autotrophs are organisms that can transform simple inorganic substances like CO₂ into nutritional organic substances. They are not nutritionally dependent on other living organisms. They get their energy from one of two possible non-living sources which are sunlight and simple chemicals that react with one another. Photoautotrophs are photosynthetic. They collect light as well as use energy to convert CO₂ into
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1. Define autotroph and heterotroph and give an example of each. (1 point) Autotroph refers to the process of collecting energy from sunlight. This type of energy is fundamental for plants in order for them to survive‚ so we can conclude that plants are an example of an autotroph. Heterotroph refers to the process of collecting energy by consuming substances/products like meats‚ fats‚ carbohydrates‚ fruits‚ etc. Humans are an example of heterotroph since they are the ones who perform this process
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Influence of light intensity on the Ceratophyllum ‘s photosynthetic rate Name:negar mir sharifi Student number:212656302 Lab section:D4
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behavior‚ constant inspiration and valuable knowledge imparted to me during the training period from 13th July to 27th August’2012. I am very thankful to Mr. Ashok Bansal (Senior Manager-Production of ammonia plant)‚ Mr. P.D. BATRA(Manager-Production of ammonia plant) and all officers of ammonia plant who helped me directly and indirectly in training at NFL‚ Panipat Thanking you all. Yours Faithfully Ajay Kumar Gulati 1210502 Chemical Engg. Department JMIT‚Radaur
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Experiment 39 Oxidation – Reduction Titrations II : Analysis of Bleach A. Standardization of 0.05 M Na2S2O3 Solution KIO3 concentration 0.01 M Volume of KIO3 Trial #1 Trial #2 Final burette reading 15.01 mL 30.00 mL Initial burette reading 0.00 mL 15.01 mL Milliliters of KIO3 used 15.01 mL 14.99 mL Volume of Na2S2O3 Trial #1 Trial #2 Final burette reading 13.40 mL 25.78 mL Initial burette reading 0.03 mL 13.37 mL Milliliters of Na2S2O3 used
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with Pb2+: Pb2+ (aq) + CrO42-(aq) → PbCrO4(s) (5) Yellow The other two insoluble chlorides‚ AgCl and Hg2Cl2‚ can be separated by adding aqueous ammonia. Silver chloride dissolves‚ forming the complex ion Ag (NH3)2+: AgCl(s) + 2 NH3 (aq) → Ag (NH3)2+(aq) + Cl-(aq) (6) Ammonia also reacts with Hg2Cl2 via a rather unusual oxidation-reduction reaction. The products include finely divided metallic mercury‚ which is black‚ and a compound of formula HgNH2Cl‚ which is white: Hg2Cl2(s)
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YOUR NAME: Erin Alston‚ Kennedy Stuart‚ Amber Lamb and Stephonya Williams EXPERIMENT TITLE: Oxidation: Cyclohexanone from Cyclohexanol by Hypochlorite Oxidation and Adipic Acid from Cyclohexanone DATE: 4/18/2014 INTRODUCTION: In experiment 4‚ alcohol is oxidized to a ketone with household bleach. The product is then isolated by steam distillation and is extracted into the distillate with ether. After the removal of ether‚ it leaves the product cyclohexanone. In experiment 6‚ cyclohexanone is
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:princess cucumber TOPIC : 3.8 & 8.2 : PHOTOSYNTHETIC PIGMENTS RESEARCH QUESTION INTRODUCTION The photosynthetic pigments are responsible for absorbing and trapping light energy the major pigments of photosynthesis are the chlorophylls. The two chlorophylls found in green plants are chlorophyll a and chlorophyll b. other pigments include carotenoids and phycobilins‚ sometimes referred to as accessory pigments. Carotenoids occur in all photosynthetic organisms‚ while phycobilins occur in the
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Ammonia Production from Natural Gas Problem Statement This senior design project involves transformation of natural gas into ammonia. Ammonia is an important chemical for fertilizer industry. About 85% of ammonia production is used for nitrogen fertilizers [1]. Urea alone consumes 40% of the total ammonia production. Other fertilizers that are made from ammonia are ammonium nitrate‚ ammonium sulfate and ammonium phosphate. Non-fertilizer applications include the production of aminies‚ nitriles
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