What are probiotics? Probiotics are bacteria that help maintain the natural balance of organisms (microflora) in the intestines. An estimated 100 trillion microorganisms representing more than 500 different species inhabit every normal‚ healthy bowel. These microorganisms generally don’t make us sick; most are helpful. Gut-dwelling bacteria keep pathogens in check‚ aid digestion and nutrient absorption‚ and contribute to immune function. Probiotic therapies suggest that certain probiotics may help
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arise are contamination and species variations. These must be eliminated if good results are to be obtained. Materials 1. Nutrient agar plates of a) Sarcina lutea and Serratia marcescens b) Bacillus subtilis and Escherichia coli c) Streptococcus fecalis and Pseudomonas fluoroscens 2. 24 hour pour plate preparation of a) Serratia marcescens b) Sarcina lutea c) Bacillus subtilis d) Escherichia coli 3. 24 hour agar slant of the following cultures incubated at 25ºC a)
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Micro Test #1 Unit 1 Question 1 2 out of 2 points | | | Viral host range is limited by Answer | | | | | Selected Answer: | Type of host cell receptors on cell membrane | Correct Answer: | Type of host cell receptors on cell membrane | | | | | Question 2 2 out of 2 points | | | Which type of microscope achieves the greatest resolution and highest magnification? Answer | | | | | Selected Answer: | Electron | Correct Answer: | Electron |
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fission X Activity Page 4 Sample Name Physical Description (What does it look like?) Example species Gram-positive cocci in clusters Little groups of purple scattered Staphylococcus Aureus Gram-positive cocci in chains Chains of purple dots Streptococcus
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OB Case Preceptorial A Case Presentation on Rheumatic Heart Disease General Data: V.V.‚ 25 years old‚ female‚ married‚ housewife‚ residing at Balibago‚ Angeles City was admitted for the first time at AUFMC on February 6‚ 2014 Chief Complaint: Chest pain History of Present Illness: The illness started 2-1/2 years ago‚ when she started to experience occasional chest pain‚ lasting only for a few seconds especially during her aerobic exercise but does not
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OBJECTIVE: 1. To distinguish the bacteria abilities to metabolize various substrates and end products formed. 2. To observe the growth of different bacteria species in term of structures and its morphology based on different chemical substance applied. 3. To observe physiological and immunological properties utilized by different species of bacteria. INTRODUCTION: Bacteria biochemical testing can determine the types and numbers in terms of colony forming units of bacteria present in a
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baked to make bread‚ cake‚ and much more. The process of making yogurt also uses fermentation. During this process milk solids are usually added to make yogurt with a custardlike consistency. Concentrated sterilized milk is then inoculated with Streptococcus thermophilus and Lactobacillus bulgaricus or a lactose fermenting yeast which is then incubated at about 43° to 44°C for four to five hours until curd forms. Yogurt is known and consumed in almost all parts of he world and different methods are
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mostly common in children‚ but can affect people of all ages. (Impetigo).There are two types of bacteria that cause Impetigo‚ which are streptococcus and staphylococcus. (Impetigo Causes) There are also three main types of the disease. The most common type in children is Impetigo Contagiosa‚ also known as nonbullous impetigo. This type is caused by streptococcus aureus‚ group A beta hemolytic streptococci or a combination of both. (Impetigo). It is very contagious and starts with red sores around
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BACTERIAL MENINGITIS BY JAY DOMANTAY JAY DOMANTAY ANATOMY 151 HERBERT MAY 11‚ 2009 BACTERIAL MENINGITIS A bacterial infection of blood poisoning in the meninges called bacterial meningitis affects toddlers‚ adolescents and young adults. The infection strikes nearly 3‚000 Americans each year‚ and 10 to 12% of those infected will die. Among those who survive‚ approximately 20 % live with permanent disabilities‚ such as brain damage‚ kidney disease‚ hearing loss or loss of limbs.(“Prevention
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aureus‚ this being the main carrier site of this important pathogen. The healthy sinuses‚ in contrast are sterile. The pharynx (throat) is normally colonized by streptococci and various Gram-negative cocci. Sometimes pathogens such as Streptococcus pneumoniae‚ Streptococcus pyogenes‚ Haemophilus influenzae and Neisseria meningitidis colonize the pharynx. Normal microflora of the lower respiratory tract Free of microorganisms‚ mainly because of the efficient cleansing action of the ciliated epithelium
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