PROTIST WEBQUEST Part A: Click on the “Introduction to Protist” link and answer questions 16. Introduction to Protists Go to the website: http://www.funsci.com/fun3_en/protists/entrance.htm 1) What is a protist? [ Protists are very small‚ singlecelled eukaryotes. ] 2) What types of environments do they typically inhabit? [ ] 3) Are bacteria and protists the same thing? Why or why not? [ ] 4) What is a prokaryote?[ ] 5) What is a eukaryote?[ ] 6) What has a more complicated structure: bacteria or protists
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releasing spores into the environment. Fungi can cause diseases in humans in the form of yeasts such as ringworm‚ athlete’s foot and other diseases. A parasite is an organism that lives on or in a host and gets its food from or at the expense of its host. There is a large group called eukaryotes that parasites are a part of‚ which Fungi is too. Parasites are different from bacteria or viruses because their cells share many features with human cells. 2. Bacteria: Food poisoning. (Salmonella). Whooping
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During the initial communication between the host and the parasite‚ a series of molecular actions occur in order for the parasite life cycle to reach completion‚ which is basically stabling metabolically favorable conditions where the parasite can develop. Cryptosporidium parvum resides in the intestines and it is intracellular‚ usually outside the cytoplasm‚ explaining why these infections are resistant
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to as long as 9.8 m (32 feet). It is approximately 2.5–3 cm in diameter. The small intestine is divided into three structural parts: • Duodenum • Jejunum • Ileum Histology [pic] Micrograph of the small intestinemucosa showing the intestinal villi andcrypts of Lieberkühn. The three sections of the small intestine look similar to each other at a microscopic level‚ but there are some important differences. The parts of the intestine are as follows: |Layer
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Trichomonas vaginalis is a protozoan parasite that is characteristically found in the human urogenital tract‚ responsible for the most frequent non-viral‚ sexually transmitted infection around the world. A plethora of techniques may be employed in the detection of this condition‚ ranging from just clinical diagnosis to specific laboratory-based testing. The former (i.e. clinical diagnosis) is adequate for women with symptoms of infection (primarily itching‚ discharge and vaginal odor). Also‚ laboratory-based
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highly studied topic in biological and medical areas‚ being essential for many cellular processes. The efforts toward the comprehension of signaling pathways may help to understand a large range of molecular mechanisms such as those involved in host parasite interaction or in many types of cancer (Hanahan and Weinberg 2011). Cellular signaling is driven mainly by protein phosphorylation and dephosphorylation events‚ controlled by protein kinases and protein phosphatases‚ respectively. The identification
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The euthanasia debate heavily relies on the existence of a significant moral difference between active and passive euthanasia‚ also known as the killing versus letting die argument. Some may argue that killing is morally wrong because it "involves a person’s causing the death of another person‚" while letting someone die would simply be seen as "allowing nature do its work" (Vaughn‚ 2013‚ p. 287). Due to the differing views on the legitimacy of the euthanasia debate‚ the presence of a gray area exists
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Archaeology of Egypt Ancient Egyptian Disease An in depth Look at Archaeological Evidence of Ancient Egyptian Infectious Disease and Parasites 12/3/2010 Ancient Egyptian Disease Throughout the passing of time great civilizations have come and gone. Of the six pristine ancient civilizations‚ none have drawn quite the sensationalism as ancient Egypt. For numerous centuries antiquities were dispersed throughout the world for monetary purposes; however‚ for the past few decades
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Autoimmune disorder case study Autoimmune diseases: An autoimmune disease is any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues or normal cells by mistake; the body fails to tell the difference between self and non-self. There are several dozen kinds of autoimmune diseases‚ risk factors depend somewhat on the particular illness. In general‚ researchers have found strong links
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can be active in a close environments ranging from the common cold to AIDS. • Fungi. Fungus is a single celled organism. Fungus is larger than bacteria that infect superficial skin or body systems. • Parasites. Malaria is caused by a tiny parasite that is transmitted by a mosquito bite. Other parasites may be transmitted to humans from animal feces.
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