Kingdom Protista: Characteristics Mostly unicellular‚ eukaryotic cells Reproduce asexually or sexually by conjugation Exhibit all three modes of nutrition Photosynthesis Ingestion Absorption Ultimately spawned all multicellular kingdoms Very diverse kingdom Difficult for taxonomists to agree on classification Diverse Modes of Nutrition Use diverse modes of nutrition Ingest
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TAQ1 Definition of Pathogen and research into the main features of bacteria‚ protozoa‚ fungi and viruses. Pathogens‚ or infectious agents‚ are microorganisms that cause disease or illness to their host. There are divided into four groups; bacteria‚ protozoa‚ fungi and viruses. The term pathogen most often describes an organism that disrupts the normal physiology of a plant or animal. In identifying a pathogen it is important to determine the properties that ‘contribute to its infectious
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2. Biological Classification Classification The process of grouping living organisms into convenient categories based on simple characters is known as classification. 1. Two kingdom classification Carolus Linnaeus divided all living things into two kingdoms- Plantae and Animalia. 2. Five kingdom classification R.H. Whittaker divided all living things into five kingdoms- Monera‚ Protista‚ Fungi‚ Plantae‚ and Animalia. The main criteria for classification included o cell structure o thallus
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Stem Cell Research Adult stem cell research is providing opportunities to treat people with a various diseases and conditions. In 2010‚ a man’s ankle refused to heal so the doctor took bone marrow from the man’s pelvic bone with a needle‚ condensed it to about four teaspoons of rich red liquid‚ and injected that into his ankle. Four months later‚ the ankle was healed! Adult stem cells are found in all tissues of the growing human being and‚ according to latest reports‚ also have the potential
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Chapter 22: Protists 22-1: Characteristics of Protists Protists Are a Varied and Ancient Group of Organisms Protists are the most diverse of all organisms - most are unicellular - microscopic - few are complex and multicellular Characteristics - eukaryotes - some photosynthesis - some ingest their food - some absorb their food - some have flagella or cilia o used for locomotion or getting food - found
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protists. There are about 4‚000 known species‚ but this is certainly just an understatement of the actual number. Of the described species seven genera infect humans; these include the following: Plasmodium‚ Babesia‚ Cryptosporidium‚ Isospora‚ Toxoplasma‚ Cyclospora and Sarcocystis. Species in the genus Plasmodium cause malaria in humans and other animals; an estimated 300 million people in over 90 countries are infected with malaria‚ and over 1 million die from it each year. Others apicomplexans cause
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Helpful Cowpox- Virus Size-275nm Edward Jenner found the application for the cowpox virus as a vaccine over 200 years ago(2). The innovation of the cowpox vaccine led to the eradication of the smallpox virus and is the biggest contribution to biomedical science and human health(1). Lactobacillus- Bacteria Size- 0.9 um Lactobacillus bacteria can help prevent intestinal
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------------------------------------------------- Isolation and Culture of Zoosporic Fungi using Baiting Technique ------------------------------------------------- Rillera DP ‚ Talibsao K ‚ Talucod AC and Tan P Department of Biological Sciences‚ College of Science‚ University of Santo Tomas‚ España Street‚ Manila 108 ------------------------------------------------- Zoosporic fungi belonging to class Oomycetes of Kingdom Chromista and Phylum Chytridiomycota of Kingdom Eumycota‚ were
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Before visiting South Africa‚ you may need to get the following vaccinations and medications for vaccine-preventable diseases and other diseases you might be at risk for at your destination: (Note: Your doctor or health-care provider will determine what you will need‚ depending on factors such as your health and immunization history‚ areas of the country you will be visiting‚ and planned activities.) To have the most benefit‚ see a health-care provider at least 4–6 weeks before your trip to allow
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Illness and death from infectious diseases are particularly tragic because they are preventable and treatable. Not surprisingly‚ the poorest and most vulnerable are the most severely affected by infectious disease. Infectious diseases are a major cause of death‚ disability and social and economic turmoil for millions around the world. Poverty stricken countries lack access to health care. Reports show that in nations with the lowest economic status the causes of death are primarily infectious and
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