2013‚ Section 3 Prepared By Md Abdulla Al Mamun Fahim ID: 102 0366 030 Mahidur Rahman Khan ID: 102 0625 030 Md Nurul Azim Rifat ID: 101 0847 030 Tahsin Shahab Uddin ID: 101 0692 030 Prepared for Dr. S.M. Mostafa Kamal Khan Department of Biology and Microbiology North South University Date of Submission: 20th August‚ 2013 Sl | Topic | Page | 1 | Introduction | 2 | 2 | Description | | | 2.1 Impact on Air | 3 | | 2.2 Impact on Water | 3 | | 2.3 Impact on Soil Pollution | 5 |
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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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Pre-Lab 1 Assignment Quantitative Analysis of Biomolecules Biochemical analysis involves the characterization of biomolecules within a sample using appropriate laboratory techniques. There are two principal approaches: 1. Qualitative analysis – where a sample is analyzed to determine whether a biomolecule is present or absent. As an example‚ a blood sample might be analyzed for a specific antibody or a bacterial cell might be probed for a nucleic acid sequence. 2. Quantitative analysis
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Chem. Soc.‚ 85 (2)‚ 207-222 (1963). (3) Cook‚ A.G.‚ Absi‚ M.L. and Bowden‚ V.K. J. Org. Chem.‚ 60(10)‚ 3169-3171 (1995). (4) Cao‚ C.‚ Sun‚ X.‚ Zhou‚ J. and Tang‚ Y. J. Org. Chem.‚ 72(11)‚ 4073-4076 (2007). (5) Meyer‚ W.L.‚ Bramon‚ M. J.‚ Burgos‚ C‚ Goodwin‚ T. and Howard‚ R.W. J. Org. Chem.‚ 50(4)‚ 438-447 (1985). (6) Luo‚ S.‚ Xu‚ H.‚ Mi‚ X.‚ Li‚ J.‚ Zheng‚ X. and Cheng‚ J. J. Org. Chem.‚ 71‚ 9244-9247 (2006). (7) Curphey‚ T.J.‚ Hung‚ J.C. and Chu‚ C.C. J. Org. Chem.‚ 40‚ 607614 (1975). (8) Bruson
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Virtual Lab Enzyme Controlled Reactions Worksheet Which of the following does NOT apply to an enzyme Catalyst Inorganic Protein All of the above apply to an enzyme When an enzyme catalyzes a reaction Substrate(s) bind in the active site Products bind in the active site The shape of the enzyme remains unchanged The enzyme is consumed by the reaction Which of the following would interfere most with the ability of an enzyme to catalyze a reaction Reduced concentration of substrate available Reduced
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would not be accessible for transcription. Before the chromosomes condense the nuclear membrane goes through meiosis which is cell division between and egg and sperm cell that determines the sex of a baby. The sex is found by the sperm which carries a X and Y sex chromosomes. Before the cell divides two sets of chromosomes pair together and swap segments. The second part of our questions was on the bases of chromosomes and how they condense and also how microtubules work to allow cell division. One
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seven test tubes and absorbance was measured with spectrophotometer. It is observed that the absorbance level increases as the amount of albumin is added more in different test tubes‚ while the amount of KCl decreases. Concentration of albumin in mg(x-axis) | Absorbance (y-axis) | 0 | 0.049 | 2.5 | 0.112 | 5 | 0.258 | 10 | 0.39 | 12.5 | 0.418 | (A) | 0.198 | (B) | 0.347 | Table 2) Analyze of two factors‚ concentration of albumin and absorbance The concentration of albumin in the
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faster. Meaning- they need more oxygen and glucose and release more carbon dioxide. A faster breathing rate means that oxygen can be taken into the body at a faster rate and carbon dioxide can be released faster. Cardiac output = stroke volume x heart rate Effects of exercise: Ventilation – breathing Respire – release of energy from food/chemicals Anaerobic respiration … is release of glucose without using oxygen. This produces lactic acid. glucose = lactic acid +
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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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Paper 1 Chapter 1: Cell structure May/June 03 1 An actively growing cell is supplied with radioactive amino acids. Which cell component would first show an increase in radioactivity? A Golgi body B mitochondrion C nucleus D rough endoplasmic reticulum 2 Which pair of organelles has internal membranes? A chloroplasts and mitochondria B chloroplasts and nuclei C mitochondria and ribosomes D nuclei and ribosomes 3 Which combination is found in a prokaryotic cell? Endoplasmic reticulum DNA RNA Nucleus
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