Jessica Hamlet Mr. Ozolins Physical Anthropology 101 September 10‚ 2014 Homework # 1 DNA 2. Name the four differences between RNA and DNA. 1) DNA is double stranded‚ RNA is single 2) DNA has Adenine‚ Guanine‚ Thiame‚ and Cytosine as nitro bases. With RNA‚ anywhere you would expect to see Thaime‚ you see Uracil instead. 3) DNA has no types‚ RNA has 3 types: mRNA‚ rRNA‚ and tRNA. 4) DNA and RNA have different sugars. 3. For the following DNS strand‚ provide the replicated strand
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red precipitate Ferrox test any functional group containing oxygen reddish-purple color Hydroxamate test amides and esters red-purple color appears Iodoform test methyl ketones yellow precipitate Iron hydroxide test nitro groups red-brown precipitate Jones test 1o and 2o alcohols orange reagent turns blue-green Lucas test 2o‚ 3o‚ and benzylic alcohols cloudy solution or separate layer
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Vegetative reproduction (vegetative propagation‚ vegetative multiplication‚ vegetative cloning) is a form of asexual reproduction in plants. It is a process by which new individuals arise without production of seeds or spores. It can occur naturally or be induced by horticulturists. Although most plants normally reproduce sexually‚ many have the ability for vegetative propagation‚ or can be vegetatively propagated if small pieces are subjected to chemical (hormonal) treatments. This is because meristematic
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and is manufactured in huge quantities. The starting material for the commercial manufacture of paracetamol is phenol‚ which is nitrated to give a mixture of the ortho and para-nitrotoluene. The o-isomer is removed by steam distillation‚ and the p-nitro group reduced to a p-amino group. This is then acetylated to give paracetamol. Method * Place 2g of the 4-aminophenol into a 50cm3 conical flask‚ add 15cm3 of water and stir the suspension vigorously (magnetic stirrer) for a few minutes.
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Conservation of Energy In explaining the laws of conservation of energy‚ energy cannot be destroyed or made. Although‚ energy can be transformed or transferred from one form to another‚ for example: The total amount of energy in any system never changes but stays constant over time. Second example: Coal is burned‚ and then used as thermal energy for heat‚ next the steam is used for mechanical energy. Energy is never destroyed but changed to forms like thermal energy‚ gravitational energy‚ electromagnetic
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of the car and he took off before I placed my foot on the pavement‚ and I got back in the car. We then left the bowling alley and he continued to aggravate me as he went no more than fifteen miles per hour. Once we were passing the Moose Lodge in Nitro I had a plan in my head that I would take the back-roads in a stunt to beat him out. We were getting closer to the split right past the seven-eleven and I darted down the back-road. While driving down 2nd avenue I passed a car. I continued down the
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(aromatic amines) Structure of: Sugars (linear (oxidized to acyl group) and ring‚ polymerzation through the anomeric carbon‚ mutarotation‚ Fisher projections)‚ Steroids‚ amino acids (match names to structures‚ Fisher projections) Reactions: Aromatic nitro group rdxn to amine (rxn only)‚ Diazonium salt preparation and rxn
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Antibiotics The term anti biotic is defined as a drug derived from living matter or micro organism. Which either prevents the growth of other micro organism or destroy them. Classification * The spectrum of biological action of anti biotic * It mainly effective against gram positive bacteria. Eg.penicillin‚fucidin * It mainly effective against gram negative bacteria . E.g. strepomycin * It effective against protozao. Eg
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three examples of acids they are: Sulfuric‚ Nitric‚ Citric acid. Sulfuric acid is used in alcohol‚ paper‚ glue‚ rubber‚ paints‚ dyes‚ fertilizers‚ and plastics. Nitric acid is mostly used in explosives‚ fertilizers‚ dyes‚ perfumes‚ nitrate salts‚ and nitro glycerin. And citric acid is most commonly used in foods‚ A preservative- it is added to food to keep them preserved and protects against mold. It is also used in photography- It allows the pictures to lighten in a dark room. Also have searched on
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In this experiment‚ we used methyl benzoate from the last experiment with HNO3 and H2SO4 to synthesize methyl 3-nitrobenzoate. First we added methyl benzoate to 12 mL cooled conc. Sulfuric acid in a flask. In a separate flask‚ we made a solution of 4 mL conc. Sulfuric acid and 4 mL nitric acid and then added dropwise to the solution of methyl benzoate in an ice bath on a stir plate while maintaining the temperature of reaction between 5-15 °C. After the addition was complete we took the flask out
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