transformation effect bacteria cells? -Our independent variable were Plasmids‚ the three genes on our plasmid are small and circular‚ self-replicating chromosome in bacteria. -Our dependent variable was florescent‚ ampicillin resistant bacteria. -The control was the plates were the one without plasmids which was LB/AMP/+PGLO‚ LB/AMP/-PGLO‚ LB/-PGLO. These threes represented nutrients and ampicillin‚ plasmids and arabinose. -The purpose to bacterial transformation is to insert DNA into bacteria to change
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Griffith’s experiment Griffith’s experiment discovering the "transforming principle" in pneumococcus bacteria. Griffith’s experiment‚ reported in 1928 by Frederick Griffith‚[1] was one of the first experiments suggesting that bacteria are capable of transferring genetic information through a process known as transformation.[2][3] Griffith used two strains of pneumococcus (Streptococcus pneumoniae) bacteria which infect mice – a type III-S (smooth) and type II-R (rough) strain. The III-S strain covers
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cause disease are; Bacteria Bacteria‚ also known as Bacterium in the singular term‚ are a prokaryote. Prokaryotes are simple ‚ single celled organisms. Bacteria get their nutrients from the environments in which they live‚ in some cases‚ that is the human body. http://kidshealth.org/kid/talk/qa/germs.html They are larger than viruses‚ but smaller than human body cells. Bacteria are living things‚ but are neither plants nor animals. http://www.bacteriamuseum.org/cms/bacteria/what-are-bacteria.html
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which occur at a low‚ unavoidable frequency‚ as well as the more likely possibility of contamination). Obtaining such genetically identical organisms (or pure strains) can be useful in many cases; this is done by spreading bacteria on a culture plate and starting a new stock of bacteria from a single colony. Fours characteristics by which colonies can be identified are shape‚ color‚ size and texture. 4-A Petri dish is used as a container for a medium used to grow cultures. Leaving the Petri dish open
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harmful‚ disease-causing bacteria.1 However‚ with the discovery of antibiotics has also come the misconception that they can be used repeatedly without harmful side affects.1 This pretense has more recently begun to be torn down by growing evidence of collateral damage to the beneficial bacteria inhabiting one’s
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Water Microbiology INTRODUCTION There are 4 learning goals for this lab: 1. Collect samples and compile data from at least 2 sources (soil; water) of your choice. 2. Identify at least 2 Prokaryotes (bacteria) and 2 Eukaryotes (fungus) in your samples. 3. Research the importance of bacteria and fungus to Earth in a non-medical context. 4. Compile a high-quality‚ 3+ resource (excluding the lab worksheet)‚ MLA-cited in-text laboratory report using the scientific method by class due date. HYPOTHESIS
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liquids that have been well colonized by the microorganisms used for the fermentation. These starters are formed using a specific cultivation medium and a specific mix of fungal and bacterial strains. microorganisms used in starters include various bacteria and fungi (yeasts and molds): Rhizopus‚ Aspergillus‚ Mucor‚ Amylomyces‚ Endomycopsis‚ Saccharomyces‚ Hansenula anomala‚ Lactobacillus‚ Acetobacter‚ etc. Tempe is a traditional food in Indonesia. It is made from soy beans which is fermented that
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catheter‚ the balloon of the catheter putting pressure on the urinary sphincter‚ and damage to the wall of the bladder mucosa which is caused by distension of the bladder. Bacteria
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difference between bacteria‚ viruses‚ fungi and parasites? The difference between bacteria‚ viruses‚ fungi and parasites is: Bacteria Bacteria is a single celled organism‚ bacteria have evolved to thrive in almost any environment and can be found in almost any substance/surface and also in the human body‚ only 1% of bacteria is actually harmful. It ’s bad or infectious bacteria that cause illness as they rapidly reproduce and produce a toxin that kills or mutates cells‚ bacteria is also self sufficient
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DEBATE: New Strains of Drug-Resistant Bacteria In 1969 when Dr. William H. Stewart claimed that the war against pestilence was won‚ he had no idea how wrong his statement was. Were he able to see what the future of antibiotics held‚ he would never have said‚ “It is time to close the book on infectious diseases‚ and declare the war against pestilence won”. He was completely oblivious to important aspects of antibiotics including their ineffectiveness on viruses and the potential harm that
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