The study will make use of: Agar Plates‚ specifically Nutrient Agar‚ for different tests and as a controlled variable for the problem‚ Nutrient Broth‚ same purpose as the nutrient agar‚ Santol (Sandoricum koet jape) extract‚ Escherichia coli‚ for the gram positive‚ Bacillus ‚ for gram negative‚ and Candida________ a test subject for the study. Also‚ the study will make use of litmus paper for measuring and maintining the pH level of the Agar plates. The study will also make use
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Microbiology Final Exam Question 1 2 out of 2 points Full induction of the lactose operon requires ________. Question 2 0 out of 2 points The enzymes that help pack DNA into the cell by coiling the DNA into a tight bundle are ________. Question 3 2 out of 2 points Gene regulation can involve a protein repressor that blocks ________ from initiating transcription. Question 4 2 out of 2 points Synthesis of a repressible enzyme is inhibited by ________.
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State that stem cells retain the capacity to divide and have the ability to differentiate along different pathways. j. Outline one therapeutic use of stem cells. 2. Prokaryotic cells a. Draw and label a diagram of the ultrastructure of Escherichia coli (E. coli) as an example of a prokaryote b. Annotate the diagram from (2a) with the functions of each names structure. c. Identify structured from (2b) in electron micrographs of E. coli 3. Eukaryotic cells a. Draw and label a
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Experiment 9: Growth curve of Serratia marcescens Abstract Bacteria grows by binary fission. The aim of this experiment is to follow the growth of Serratia marcescens in nutrient broth at 37oCby recording the changes in turbidity (cloudiness) by measuring the absorbance of visible light (600 nm) and also to prove that there is an increase in the cell number and not just in mass during the growth. In the experiment we measure the full growth curve of Serratia marcescens by measuring the absorbance
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bacterium was gram-negative bacilli that did not utilize citrate‚ and the ability to hydrolyze urea using urease. These results indicate that the identity of unknown number 34 is Proteus mirabilis. Introduction Proteus mirabilis is a gram-negative bacillus bacterium. It is found naturally in the human gut flora. However‚ if P. mirabilis comes into contact with the urinary tract‚ urinary tract infections can result. Urinary tract infections caused by P. mirabilis are correlated
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Antimicrobial Activity of Cilantro on Staphylococcus Epidermis and Escherichia coli Abstract Antimicrobial effects of cilantro against the gram positive bacteria S. epidermis and the gram negative bacteria E. coli were looked at. We predicted that cilantro would act as an antibiotic against S. epidermis but not to E. coli because S. epidermis does not contain an outer membrane whereas E coli. does. We predicted that the semi-permeable outer membrane of E. coli would protect the bacteria from
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Rickettsia‚ mycoplasma and chlamydia are three very unique bacterias. Here are a few reasons why for each bacteria. Rickettsia is an obligate intracellular gram-negative bacteria. This type of bacteria is very small and is bacilli shaped. Rickettsia causes rocky mountain spotted fever‚ rickettsia pox‚ epidemic typhus and murine typhus disease. It is found in ticks‚ lice‚ fleas‚ mites‚ chiggers and mammals. It is transmitted by a bite (vector transmission) from an infected tick‚ mite‚ flea or any
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The Effectiveness of Basella rubra (Alugbati) Fruit Extract as a Counterstain in Gram Staining Investigators: Astilla‚ Yasmin Marie Cala‚ Maria Victoria Bianca Ko‚ Mariell Lizardo‚ Francis Dominic Mariano‚ Maria Cristina Querol‚ Maria Zennah Quinto‚ Camille Rosales‚ Ana Mariella Valmonte‚ Kyla Nicole Villalon‚ Gian Angelo 4MT-2 Statement of the Problem Can Basella rubra fruit extract be used as a counterstain in Gram staining? Introduction & Background According to H. J. Croxx‚ when microscopists
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swan neck flask caught the bacteria and the broth had no growth. 4) Who established microorganisms as the causative agent of infectious disease? How did he do this? What was the result of this body of work? * Robert Koch * Studied Bacillus anthracis * Took diseased mouse with anthrax and infected healthy mouse. This healthy mouse got sick. He then removed the spleens from the sick mice and isolated the anthrax spore. He injected that into healthy mice and they got sick.
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Pneumonia can be a serious threat to your health. Since the early 1960’s pneumonia has been second only to lung cancer as a leading cause of death related to respiratory diseases. Pneumonia is an inflammation or infection of the lungs. The lungs’ air sacs fill with pus‚ mucus‚ and other liquid and can not function properly. Oxygen can not reach the blood. If there is not enough oxygen in the blood‚ body cells can not work right and might die. Lobar pneumonia affects a section of a lung. Bronchial
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