Genes Review 1) Selective breeding – chosen based on what can be seen and detected (favourable phenotype) Genetic engineering – selected based on genes 2) - DNA are found in nucleus (where most DNA are found)‚ mitochondria‚ chloroplast 3) - Translation requires ribosome‚ mRNA‚ tRNA (anticodon) and amino acids - DNA template‚ polymerase for transcription 4) Mitosis generates daughter cells that are identical Meiosis – homologous recombination 5) DNA coding sequence: 5` GGGCCCTTTAAA
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Antibiotics attack bacteria by targeting a protein‚ or stopping the creation of a cell wall and or how they metabolize sugar. This method of targeting the specific functions of bacteria have allowed antibiotics like Penicillin to save millions of live throughout in the past few decades. As amazing as antibiotics are they have a really smart enemy. Bacteria are cleaver little single-celled organisms. Bacteria can actually barf up the antibiotics we use to fight them. The genetic information bacteria
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Shantelle Johnson April 8‚ 2012 H4 Introduction When food is unsafe for consumption is called food contamination. Food contamination occurs when foods are spoiled because they might contain microorganisms‚ such as bacteria ‚ parasites‚ or toxic substances that make them unsafe for consumption.Bacteria and parasites on uncooked food can linger on the food if not handle or cooked properly. Food contamination is serious because it results in diseases that affect appromiaxally seventy-six million people
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Trade: A Story from the Deep North In the 2008‚ documentary film‚ "Traces of the Trade: A Story from the Deep North‚" written‚ co-produced‚ and co-directed by‚ Katrina Browne. Browne discovers that her New England ancestors were the largest slave traders in American history. She learned about her dreadful past when her grandmother compiled their family history. She discovered unbeknownst to her that she had been exposed to her family ’s ugly secrets during childhood. Whilst reciting her favorite family
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The Case for Contamination - New York Times 01/01/2006 07:37 AM January 1‚ 2006 The Case for Contamination By KWAME ANTHONY APPIAH 1. I’m seated‚ with my mother‚ on a palace veranda‚ cooled by a breeze from the royal garden. Before us‚ on a dais‚ is an empty throne‚ its arms and legs embossed with polished brass‚ the back and seat covered in black-and-gold silk. In front of the steps to the dais‚ there are two columns of people‚ mostly men‚ facing one another‚ seated on carved wooden
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Bacterial growth patterns and the effects of environmental factors on properties of colonies ERIC LI Abstract In this experiment we work with different types of bacteria and experiment with their different properties and how they grow in certain situations. Different samples of bacteria cultures were gathered from different places such as the mouth‚ shaded mulch‚ and from the table top. The samples were collected by using a cotton swab and swiped onto a petri dish filled with nutrient agar. The
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Antibiotic Sensitivity lab A. Define the term selectively toxic. Why is it an important feature of antimicrobial agents? Selective toxicity is the ability of a chemical or drug to kill a microorganism without harming its host. Selective toxicity is important to microbial agents because it enables these agents to inhibit or kill a microorganism by interacting with microbial functions or structures different from those of the host thereby showing little or no effect to the host. B. What
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Modeling bacterial growth is important in maximizing the efficiencies of biological processes. Although there are many different methods of modeling bacterial growth‚ this experiment focuses on the Monod equations. However‚ in order to use the Monod equations‚ the maximum growth rate and Monod constant must be found. Here we show how the maximum growth rate and Monod constants can be obtained for Escherichia coli using M9 media in a bioreactor at 37 °C and 500 RPM. The maximum growth rate is also
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Definition for antibiotic resistant bacteria: WebMD definitions: Antibiotic resistance is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic. Genes can be... en.wikipedia.org/wiki/Antibiotic-resistant_bacteria Antibiotics were designed to kill bacterium that infect us. Unfortunately‚ they are indiscriminate and also kill the good bacterium that are mostly found in the large intestinal tract. This leaves a person open to reinfection‚ or other more
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Identifying Trace Evidence Forensic Chemistry and Trace Evidence Analysis CJ 385 Professor Luckas July 15‚ 2012 Question 1 In order to identify that a white powder might contain cocaine‚ a forensic drug chemist can conduct a number of tests. The tests in order to identify cocaine are conducted based on the physical and chemical properties of cocaine. The physical and chemical properties of a substance make it unique‚ thus identifiable and distinguishable from other physical evidences
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