Glowing Bacteria Lab Introduction- 1. Transformation involves the transfer of genetic information into a cell by directly taking up foreign DNA from its surroundings. This DNA is then incorporated into the host cell’s own DNA. This transformation usually occurs within plasmids‚ small circular DNA molecules separate from its chromosome. After the recipient cell is infected with the DNA‚ the cell will move on with replication‚ producing offspring with traits encoded by the plasmid. These plasmids
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yoghurt involved the pretreatment of milk follow by the homogenization‚ heat treatment‚ cooling to incubation temperature‚ inoculation with starter‚ fermentation ‚ cooling‚ post fermentation treatment‚ chilling and lastly packaging for commercial yogurt production. In this experiment‚ the making of yoghurt followed the batch process. The 1000ml of UHT milk is mixed with some milk powder to increase the content of milk solid non fat in the milk in order to improve the texture with the help of protein
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Yogurt and Labneh Cheese Yogurt is made by adding cultures called lactic bacteria to fresh milk. The bacteria are added to heated and pasteurized milk and incubate to maximize the bacterial activity. The bacteria then covert the lactose to lactic acid‚ which thickens the milk and makes it tangy. Milks natural Ph is 6.5 but when it rises to 5.5 the capping casin that keeps the micelles separate in milk no longer repel and this results in loose clusters that that call curdles. At around 4.7 Ph the
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BACTERIA Period: 4 Characteristics: 3 major shapes Cocci Basilli Spirilla 3 major components Mesosomes flagella Plasmids Growing Up: Bacteria can obtain energy through phototrophs(sunlight)‚ lithotrophs(inorganic compounds)‚ and organotrophs(organic compounds) Marriage/Reproduction Binary Fission: The process by which all bacteria reproduce. It results in the separation of a single cell into two. Transformation: genetic alteration
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“Fighting Invisible Killers” Scholastic Scope: The Language Arts Magazine January 2014 Edition‚ pages 5-9 Bacteria surround us every day. These little “bugs” are invisible to the eye and most do not harm us. Many are necessary for us to survive‚ like the bacteria in our stomachs and intestines that help us to digest food. But some bacteria are very dangerous to us. Addie Rereich became very sick in May 2011‚ when she was 11 years old. What started as something that her doctors and mother
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Greek Yogurt Nutrition Greek yogurt is common in the Middle East‚ South Asia‚ the East Mediterranean‚ and Greece. Greek yogurt is made from a centuries-old technique by combining milk and live cultures (bacteria)‚ then straining out liquid whey‚ creating a thick‚ creamy yogurt without the addition of milk fat or thickeners. Straining also removes some of the lactose sugars‚ water and salt‚ which is why Greek yogurt nutrition is higher in protein and thicker than standard yogurts‚ but also lower
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Activia yogurt ensures on its advertisement in assisting regulating the digestive system announcing from Activias’ website‚ “Activia may help reduce the frequency of minor digestive issues like bloating‚ gas‚ discomfort and rumbling‚ when consumed twice per day for two weeks as part of a balanced diet and healthy lifestyle”. It is consumed by many people who desire a regulated digestive system targeted to mainly women. The ingredients included in this product could have an effect on one’s individual
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Yogurt Etymology and Spelling * The word is derived from Turkish: yoğurt‚ and is related to the obsolete verb yoğmak "to be curdled or coagulated; to thicken". The letter ğ was traditionally rendered as "gh" in transliterations of Turkish prior to 1928. In older Turkish‚ the letter denoted a voiced velar fricative /ɣ/‚ but this sound is elided between back vowels in modern Turkish‚ in which the word is pronounced [joˈuɾt]. * In English‚ there are several variations of the spelling of the
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Bacteria are the most numerous type of microorganism found in the rhizosphere of the soil. They produce secondary metabolites which are capable of producing antibiotic which eventually inhibit or kill bacteria. The rhizosphere region of the soil is a highly favorable habitat for the proliferation‚ activity and metabolism of numerous microorganisms. The magnitude of this area depends on the plant and the size of the roots that the plant possesses. Bacteria are among the microorganisms living in the
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Bacterial Contamination April 15‚ 2013 Bacteria Contamination The definition of bacterial contamination is food contamination refers to foods that are spoiled or tainted because they either contain microorganisms‚ such as bacteria or parasites‚ or toxic substances that make them unfit for consumption This is very serious and people should take more precaution‚ food contamination is a serious because it results in foodborne diseases that each year affect an estimated seventy-six million
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