latitude examples are approximate and not exact) Socho ki hum dono 75 degree longitude pe ek doosre ki taraf face karke khade hain aur ball se catchcatch khel rahein hain Lekin main 0 degree equator pe khada hoon Maldives mein‚ aur tum 30 degree north pe khadi ho Chandigarh mein Ab equatorial circumference of earth = 40‚000 km And earth moves one rotation in 24 hours‚ (west to east) Yani meri speed eastwards hai = 40‚0000/24 = 1650 km/hr Aur aur 30 degree north pe earth ka circumference hoga =
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plates. This indicates that the Tn10 exposure was the cause of mutant variation. There were ten hypothesized auxotrophic colonies based on the comparison of mutagenized colonies in minimal and nutrient agar. These ten colonies were confirmed to be auxotrophic by their lack of growth in the minimal agar replica plate. The required growth factors for each auxotroph were determined based on which pool plates fostered growth for each streak. Auxotrophs 1‚ 2‚ 3‚ and 4 require valine as a growth factor
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pahanke tum dekho baag mein mat jaana when you dress in yellow sunshine‚ look‚ don’t go into the garden! bhanvare tum ko sab chherenge phuulon mein mat jaana all the bees will harass you; don’t go out amidst the flowers! maddham maddham hans de phir se laugh again for me‚ softly; sona sona phir se hans de give me another beautiful laugh taaza gire patte ki tarah sabze laan par lete huye lying on the lawn like freshly fallen leaves‚ saat rang hain bahaaron ke ek adaa mein lapete huye you are
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Equipment: * 3 agar plates * Blank discs * Antibiotic assay disc * Culture of Bacillus subtilis * Forceps * Bunsen Burner * Inoculating loop * Tea Tree oil * Heat Mat Method: First Agar Plate * Sterilise inoculating loop using Bunsen burner‚ allow inoculating loop to cool before using inoculating loop to pick up‚ the liquid of the culture. * Agar plate to be open as little as possible‚ minimising
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of bacteria when placed in liquid nutrient broth culture‚ the number of species present had increased in growth. .(1) (ii) Experiment 2 illustrated the growth of bacteria when placed on different surfaces of solid agar plates which included: nutrient agar‚ CLED agar and MacConkey agar; the number of species present also had increased in growth. (1) 2(A). Experiment 1: Choose 2 words that describe the appearance of the pre –incubation broth: (i) Straw yellow
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Hypothesis: The hypothesis for this particular practical experiment is that‚ as the pH decreases or increases from neutral pH of approximately 7‚ the amount of microbial growth on the agar solution will decrease Materials: Agar Solution Preparation: *hand sanitizer/ hand wash soap *small container *1g of agar powder *0.25g of beef extract stock *60mL of heated water *electronic balance *small spoons (2x) *teaspoons (2x) *0.2M Acetic Acid Solution (pH of 3) *0.2M Sodium Hydroxide Solution
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for medicines and cure. Identification of bacteria is a multistep process because while some preliminary guesses can be made from the morphology of microbes on various differential agars‚ various other tests need to be done to differentiate and confirm their identity. RESULTS Bacteriology – When grown on MacConkey agar‚ A had abundant growth of pink punctiform colonies that are circular and moist. Microbes A are gram-negative cocci. B had moderate growth of yellow punctiform colonies that are circular
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organisms can easily be seen using differing types of agar‚ which creates an ideal environment for the organisms to form colonies‚ which are groups of hundreds of organisms that can be seen with the naked eye. In order to see individual microorganisms‚ it is necessary to use the magnification of a high-powered microscope. These techniques of microbiology are used in the following five experiments. The first experiment used Trypticase Soy Nutrient Agar (TSA)‚ which can grow a wide variety of organisms
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David Kennedy Bio 210 Lab Report 1 10/11/13 Microbial Growth Background Information: This lab was conducted in order to understand basic differences among differential and selective media‚ while recognizing how each media is used to isolate and identify microorganisms (Wistreich‚ 2003). The first microorganism analyzed was Staphylococcus epidermidis. This organism is gram-positive‚ single celled‚ arranged in grape-like clusters‚ and cocci in shape (Bukhari‚ 2004). S. epidermidis is approximately
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groups then placed in agar plates simulating different environments: the bacteria lacking the pGLO plasmid was subjected to an environment solely contaiing nutrients and another containing nutrients and ampicillin; the bacteria containing pGLO was subjected to an environment containing solely nutrients and one containing nutrients‚ ampicillin‚ and the sugar arabinose. After being allowed to grow in their respective environments‚ the following agar plates grew E. Coli colonies: agar containing nutrients
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