PDF-before you startIt is easy for you to spread bacteria to food without

Before you start working with food Always wash your hands Wear clean clothes food Tell your managernot work with food Take off your watch and jewelleryIt is a good idea to tie hair back and wear a hat. Hopkins Microbiology Course 2010. Marcus . Schicklberger. Lactic Acid Bacteria. Gram positive. Non-. sporforming. Anaerobes, lack . catalase. Acid- and . halotolerant. Ferment glucose to only lactic acid or to lactic acid, CO. Before You Begin Before You BeginNot all photos in this manual include the most up-to-date product speci Chapter 1. Lesson 5. Microorganisms. Microorganisms are organisms that are microscopic, or too small to be seen with just the eyes. . They can be unicellular or multicellular.. Microorganisms are EVERYWHERE!!! They are in food that you eat, on your books, and inside your body. . http://. www.learnalberta.ca/content/kefs/index.html. food safety. http://. www.youtube.com/watch?v=1EkehFkhWf4. youtube. - We will We Will Rock you. http://. www.youtube.com/watch?v=32x65e9zTYo&feature=related. Key terms used in exam questions. Pathogen. – An microorganism that causes an infectious disease.. Antibiotic. – A chemical that kills . bacteria. .. Antiseptic. – A chemical that is used externally to prevent the spread of pathogens.. Tiny one-celled micro-organisms found . everywhere in the environment, also referred to as microbes.. Some microbes are safe and can be eaten in the form of food (examples are cheese and yogurt), but others are harmful and need to be avoided because they can lead to food-borne illness.. purple. because they take up the stain. crystal. . violet. a. Their cell walls are made of: . one . thick layer of carbohydrate and protein molecules. . . 3. Gram-negative bacteria are coloured . Lack a nucleus. DNA is naked, a single loop not bound in a chromosome. May contain plasmids (small circular fragments of DNA). Have ribosomes, but no other organelles.. DNA present as a long circular molecule.. Science Starter:. Think of a time when you got really sick. What did you have? What did the doctor give you as medicine?. 1. What things can make you sick?. A . pathogen. is a bacteria, virus, or other microorganism that can cause disease.. Bacteria. : . Shigella. spp. (shi-GEL-uh). Source. : Human feces. Food Linked with the Bacteria. Prevention Measures. Food easily contaminated by hands, such as salads containing TCS food (potato, tuna, shrimp, macaroni, chicken). The Good, the Bad and the Ugly…. What are bacteria?. Unicellular (single-celled) organisms. Prokaryotic (no nucleus). Microscopic (very small). Can be found on most materials and surfaces. Billions on and in your . An estimated one million people are affected by foodborne disease in the UK annually, costing the economy in excess of £1bn. Laboratory confirmed human cases in the UK from 2000 to 2017 of the four major bacterial pathogens (harmful bacteria) are shown below. Only a minority of cases are reported and samples sent for analysis.. Simple, one-celled organisms. Multiply rapidly. Killed by antibiotics. Some have become antibiotic resistant. Classified by shape & arrangement. Shapes of Bacteria. Bacteria Classes. Cocci. =round or spherical. spread a signal over a wide bandwidth (larger than BW in traditional communication systems). - These techniques are used for a variety of reasons, including the establishment of secure communications, increasing resistance to natural interference, noise and jamming.