2.4.4. Direct determination of saliva proteins Protein contaminated with nucleic acids absorbed the light at wavelength 280 nm and it absorbs much strongly at wavelength 205 nm when it is free from nucleic acids. The UV-visible spectrophotometer was used in determination of saliva proteins (Figure 2.2). Cold trichloroacetic acid (10 % w/v ) was added to the sample‚ centrifuged for 10 minutes to precipitate protein. The absorbance of a known volume
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4-The term sanitizing is defind as: A- Reducing harmful microorganism to safe level 5-The proper sequence for cleaning food contact in a three compartment sink is: A- Wash‚rinse and sanitize 6- Which will be the best method for cleaning and sanitizing equipments that cant be placed in dish machine or three compartment A-clean rinse and sanatize in place 7- what term refer to allowing food to remain for too ong a time in a temperature that allows the growth of germs A- Time temperature abuse 8-Rachel
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No Mess‚ No Waste‚ No Clean Up... When You Eat Your Own Plate! In the eco-friendly world‚ it will no longer be enough to eat your meal before getting dessert; you will have to eat your plate before you get dessert. In fact‚ your plate may even be dessert. In a brilliant moment of inspiration‚ Université de Montréal industrial design professor Diane Bisson saw a vision of a world in which food product waste was drastically reduced and even recycling‚ as we know it‚ would carry a lesser burden
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Occupational Safety and Health As an occupational safety and health consultant‚ you are asked to provide toxicological advice on the potential health hazards associated with the following three situations: i) A construction company is about to start work demolishing an old building which is known to contain blue asbestos (crocidolite). ii) A company stores large quantities of acetone and is concerned about the possibility of a chemical spill. iii) A freezing works has identified a potential
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Review all chapters in your exercise manual beginning with the introduction INTRODUCTION: (Covered 9.4.14 II Week 1) Biosafety levels1: basic level of containment. Hand washing or wearing gloves 2: Appropriate for working with human body fluids. Autoclave‚ sharps containers‚ lab coats 3: appropriate for working with pathogens that can be transmitted via respiratory route. Self-closing‚ double doors and sealed windows 4: Highest level. Aerosol pathogens; pathogens with no vaccine/treatment. Separate
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explanation behind the practice of the Bisha (as cited in Ginat‚ 2009:20). He states that the reason there are burns left on a guilty person’s tongue and same reason for the unharmed tongue of an innocent person is due to the flow of saliva in their mouth. It is known that the flow of the saliva produced by the salivary glands is controlled by the central nervous system‚ and that saliva plays a huge role in protecting the tongue from any ulceration that might occur to it. Therefore‚ an innocent person
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might react quickly and aggressively. * In case a chemical comes in contact with your skin‚ immediately rinse the spot with water and neutralize if necessary. Remove the affected clothing. In case a chemical comes in contact with your eye(s)‚ wash it (them) with running water (for at least 15 minutes). Call the supervisor. * Do not pipette harmful or evaporable substances by mouth. Use a pipette bulb. * You are allowed to work with compressed gases only in the presence and
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cuisine. Holubsti‚ deruny‚ sichenyky‚ guliash‚ kholodets‚ mlyntsi‚ syrnyky‚ deruny‚ krycheneky‚ varenyky enjoy great popularity not only Ukrainian people. Borsch is by far the most famous and widely spread Ukrainian dish. It is a soup made with beetroot as the main ingredient giving it a deep reddish-purple color. It also includes meat‚ cabbage‚ potatoes‚ tomatoes‚ carrots and onions. Hot bosh is served with smetana and pampushki - soft rolls with garlic. So‚ if you haven’t sampled Ukrainian dishes
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Introduction Health is a positive state of well being‚ where every part of the body and mind is in harmony and in proper functioning balance with every other part. In other words‚ when every organ of the body is functioning normally‚ the state of physical well being is known as health. It has been well said that only that person can be called really healthy who has a sound mind in a sound body. Health is the characteristic of life that enables a person to live longer. According to World Health Organisation
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NEHA STUDY GUIDE You come to work and find stock left in sink at room temperature‚ what should you do? Discard. What must be at the lavatory/restroom sink? Hot/Cold water‚ soap‚ paper towel‚ garbage can. What is the four-step floor cleaning procedure? Sweep‚ scrub brush‚ squeegee‚ dry mop. Why must refrigerator and freezer and dry storage shelves be slatted/slotted/not solid? Ensure circulation. What is the PIC and when must the PIC be present at your business (as defined by the FDA Food Code)
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