|[pic] |Course Syllabus | | |College of Natural Sciences | | |SCI/230 Version 7 | |
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MICHAEL AWUAH DENKYIRAH BIO/101-PRINCIPLES OF BIOLOGY NOVEMBER 16TH, 2013. JEBA INBARASU 1. Find a media piece—article, video, presentation, song, or other—related to the scientific method, creating hypotheses, or designing experiments. Include the link or reference citation for the piece and describe how it helped you better understand how the scientific method is used
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Lymphatics web quest Suggested site- www.cdc.gov, feel free to use other reliable sites as well. 1. What animal can transmit Cryptococcus? Bird species tend to transmit Cryptococcus. Especially in old pigeon feces and bat guano. 2. Can dogs and cats get Cryptococcus? Any animal is susceptible to getting Cryptococcus, even dogs and cats. 3. What is the infectious agent for Bubonic Plague? The infectious agent for Bubonic Plague is
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estimated that 25 to 75% of cyanobacterial blooms are toxic. Production of cyanobacterial toxins (cyanotoxins) includes human and animal health hazards, which can present risks of illness and mortality at environmentally relevant concentrations Cyano bacteria, also known as blue-green algae, are a family of single-celled algae that proliferate in water bodies such as ponds, lakes, reservoirs, and slow-moving streams when the water is warm and nutrients are available. Many cyanobacteria species produce
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and iatrogenic (occurring from accidental overdose of botulinum toxin) (Nantel, 1999). Clostridium botulinum is a gram positive, anaerobic (i.e. grows best in low-oxygen conditions) rod-shaped bacterium. The species forms spores which allow the bacteria to survive in a dormant state until exposed to conditions that can support their growth. Botulinum neurotoxin is absorbed from the intestinal tract or from the infected wound site and transported to the neuromuscular endings (Nantel, 1999). There
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our exposure to insect pests and food safety hazards. Annually, the number of people suffering from food poisoning in industrialized countries increases by 30%. Foodborne illness caused by ingesting contaminated foodstuffs which carry viruses, bacteria, protozoa, parasites or fungi, usually results in nausea, vomiting, diarrhoea or fever. Symptoms range from mild to severe, and tend to affect the more vulnerable consumers such as babies, pregnant women and the elderly. Many of the germs that
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Food Preparation During food preparation fermentation can be used to prevent the bad bacteria from growing and encourage the growth of the good microorganisms in it. A way fermentation can be used in food preparation is called “pickling” or “lacto-fermentation”, this process is mainly used for vegetables. The vegetable is usually saturated in a salt brine, permitting the growth of bacteria that eat the vegetable’s sugars and produce tart-tasting lactic acid. When making bread, fermentation
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synthesize carbohydrates during photosynthesis. Carbohydrates are in turn broken down during respiration and the energy thus released is used to synthesize other organic compounds like lipids, proteins, nucleic acids, etc. which make up the body. Animals, bacteria and fungi, on the other hand, obtain nourishment in the form of organic compounds and utilize them to synthesize compounds they need. Such reactions do not occur in non-living objects. Growth and Development Living organisms often arise from a single
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benefit of generating genetic variation among progeny. Furthermore, on this view, sex originated in a eukaryotic lineage. The earliest eukaryotes and the bacterial ancestors from which they arose are assumed to have lacked sex. For instance, some bacteria use conjugation to transfer genetic material between cells; and while not the same as sexual reproduction, this also results in the mixture of genetic traits. The reason that bacterial conjugation is not the same as sexual reproduction is that the
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Neisseria Meningitidis is a bacteria that is best known for its role in endemic bacterial meningitis (Bingen, 2008). N. Meningitidis is described as gram negative diplococci. Neisseria Meningitidis is non-motile and is transferred among people via direct contact with bodily fluids in which the bacteria has inhabited (Bingen, 2008). N. Meningitidis is classified among the prokaryotes and is a member of the kingdom bacteria because it is unicellular and small as most bacteria (Bingen, 2008). N. Meningitidis
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