photosynthesis‚ while other bacteria absorbs nutrients from the organism they live on or in. There is good bacteria and more dangerous “bad” bacteria. Bad bacteria can be dangerous to other species. Some examples of dangerous bacteria include the following: clostridium perfringens‚ listeria monocytogenes and
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Did you know‚ food poisoning has increased dramatically in the last ten years? This makes it much more important for vigilance by food businesses. Since 1965 the cases of food-borne illness has increased from 20‚000 to just short of 100‚000 now. There has been no single reason identified to why this number has increased‚ but this could be because of: Changes in eating habits‚ a greater reliance on re-heated food. Eating out is much more popular now‚ so more people are aware of food hygiene‚ therefore
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95°C while the z-value is 11.2°C. Introduction Bacterial endospores are very resistant to hostile chemical and physical environments‚ thus allowing bacteria to lie dormant for extended periods. A few bacterial genera‚ such as Bacillus and Clostridium are capable of producing endospores. As these spores are resistant to heat‚ radiation‚ desiccation‚ and disinfectants‚ they are difficult to eliminate and are a frequent cause of contamination. In addition‚ endospores do not require nutrients to
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emerge. The following drugs are used to treat this infection: acyclovir (Zovirax)‚ famciclovir (Famvir)‚ and valacyclovir (Valtrex). 17. What is unusual about the origin of the popular drug Botox? The toxin in Botox is the same toxin produced by Clostridium Botulinum‚ the bacterium that causes food poisoning. The trade name Botox comes from the letters botulinum toxin. 2. Discuss the use of silver nitrate versus erythromycin to prevent newborns from developing eye infections due to gonorrhea. When
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Term | Definition | Systematic Biology / Systematics | * Study of the biodiversity * Quatitative science that uses the characteristics of living and fossil organisms(traits) to infer relationships between organisms over time | Taxonomy | * Branch of systematic biology * Process of identifying‚ naming and organising biodiversity into related categories | Taxon | General name for a group containing an organisms or groups of organisms that exhibit a set of shared traits | Classification
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Kingdom Monera Nerissa Mae F. Dadores MONERANS * Oldest and most abundant organisms. * Unicellular organisms without a nucleus. * Prokaryotes are single-celled organisms. They are the smallest‚ simplest organisms. * Microscopic & Undergoes Asexual reproduction. HISTORY The taxon Monera was first proposed as a phylum by Ernst Haeckel in 1866. Subsequently‚ the taxon was raised to the rank of kingdom in 1925 by Édouard Chatton. The last commonly accepted mega-classification
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SCI250 Week 5 Chapter 19 Integumentary System Quiz – Test Bank Section: Multiple Choice 1. The majority of the microorganisms on the surface of the human skin are ________ Gram-positive bacteria. Gram-negative bacteria. approximately equal numbers of Gram-positive and Gram-negative bacteria. Spore-forming bacteria. Enteric. 2. The outer layer of the skin is the _________ while the deeper layer is the _________ cutaneous‚ keratin. dermis‚ sebum. mucous‚ epidermis. epidermis‚ dermis. sebum‚ keratin
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PLEASE READ ALL NOTES AND COME PREPARED FOR CLASSES 1. Diet has always played a vital role in supporting health. As a result‚ improper nutrition can put us at risk of becoming malnourished. Define the term malnutrition. Malnutrition means an incorrect or unbalanced intake of nutrients e.g. obesity‚ kwashiorkor… ……any condition caused by excess or deficient food energy or nutrient intake or by an imbalance of nutrients. 2a. Complete the following table: Food groups | Main nutrients
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Ministry of Education and Training Nong Lam University Faculty of Food Science and Technology FOOD SCIENCE SEMINAR Subject: Effects of Catechin in Meat and Meat Product: Chelating Activity and Free Radical Scaveging Instructor: Student’s name – ID: Vũ Thị Lâm An Đoàn Thị Ngọc Bích – 019125014
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NITROGEN CYCLE IN SURFACE WATER BODIES by: yusra shamsudin 1.0 Nitrogen Nitrogen is very essential to all living matters especially to plant‚ animal and human. The source of nitrogen is from the atmosphere and it is exists as a molecule composed of two atom of nitrogen that is bonded together by triple bond. Figure 1: Nitrogen Source: anyone4science.blogspot.com 2.0 Nitrogen Cycle Nitrogen cycle is the transformation of nitrogen from one form to another. For living organism
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