and Deuterostomes‚ Bilateria and Radiata; Status of Protista‚ Parazoa‚ Onychophora and Hemichordata; Symmetry. (b) Protozoa: Locomotion‚ nutrition‚ reproduction‚ sex; General features and life history of Paramaecium‚ Monocystis‚ Plasmodium and Leishmania. (c) Porifera: Skeleton‚ canal system and reproduction. (d) Cnidaria: Polymorphism‚ defensive structures and their mechanism; coral reefs and their formation; metagenesis; general features and life history of Obelia and Aurelia. (e) Platyhelminthes:
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Togo has the average sizes of families ranging from 3 to 7 kids is the average family size. The food that is mainly eaten in togo is maize‚ rice‚ millet‚ cassava‚ yam‚ plantain‚ and beans are the most common consumed food in Togolease.The educational system of togo is patterned on the French model that has the three levels of primary‚ secondary and higher education. The primary education is free and compulsory of children six years of age‚ and lasts for six years.Health care options are not very
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The three-domain system is a biological classification that divides cellular life forms into archaea‚ bacteria‚ and eukaryote domains. It emphasizes the separation of prokaryotes into two groups‚ called Bacteria and Archaea. These two groups and eukaryotes each came from separate ancestors with poorly developed genetic make-ups. This classification system recognizes the fundamental divide between the two prokaryotic groups. Archaea appear to be more closely related to eukaryotes than they are to
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infected blood >they become long form‚ multiply‚ migrate to salivary gland and change into short form (infective) > multiplies in vessels of man.- Pathogenecity: severe headaches‚ apathy‚ mental dullness.- Diagnosis: serological testSpecies: LEISHMANIA - Blood Flagella1. Visceral/ Donovani :- Transmission: female sand fly takes blood infected with amastigotes > they multiply and transform into promastigotes (infective) > migrate to mouth (not salivary glands) - Resivoir hosts: dogs/rodents/man-
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African Sleeping Sickness Human African Trypanosomiasis‚ known as sleeping sickness‚ is a vector-borne parasitic disease. Trypanosoma which are the parasites are protozoa transmitted to humans by tsetse flies. Tsetse flies live in Africa‚ and they are found in vegetation by rivers and lakes‚ gallery-forests and vast stretches of wooded savannah. Sleeping sickness occurs only in sub-Saharan Africa‚ in regions where tsetse flies are endemic. There are many regions where tsetse flies are found‚ but
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Human Embryonic Kidney(HEK) 293 cells were transiently transfected with pEGFP-N1(Clontech‚ Palo Alto‚ CA‚ encoding enhanced GFP as an indicator of transfection) and pEGFP-LeIF plasmids cloned at previous studies(Ghafarifar and et al‚ in press) by Calcium phosphate and non- tranfected cells was used as negative control. briefly‚ Hek-293 cells were grown at 37°C in Dulbecco’s Modified Eagle Medium (DMEM‚ Gibco) supplemented with 10% Fetal Bovine Serum (FBS‚ Gibco) and 5% CO2. Log-phase cells were employed
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Nitric Oxide Filiberto Moncada Nitric Oxide Herbs That Increase Nitric Oxide Jul 4‚ 2011 | By Janet Contursi [pic] Janet Contursi has a Ph.D. in anthropology from the University of Minnesota and has been a freelance writer for over 23 years. Her articles have appeared in professional journals‚ magazines‚ newspapers and on the web. Contursi has a Master Herbalist diploma from the American College of Healthcare and Sciences. Her interests are the environment‚ herbal medicine and
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Raudah P. Mangbisa Grade VIII-Nilo VIRUS A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms‚ from animals and plants to bacteria and archaea. Characteristics: Like living organisms‚ viruses contain nucleic acids and proteins. Inside living cells‚ viruses can reproduce‚ but not by the process of mitosis like most living cells. Viruses lack some characteristics of living organisms. Outside of living cells‚ viruses are
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Synopsis – Grade 9 Science Term II Chapter 1: Atoms and Molecules Law of conservation of mass: Mass can neither be created nor can it be destroyed in a chemical reaction. Law of constant proportion: A chemical substance always contains the same elements in a fixed proportion by mass‚ irrespective of the source of compound. Atom: The smallest particle which is the building block of matter. The symbol of the element is made from one or two letters of the English
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The antibacterial activity of natural killer cells. Introduction Natural killer (NK) cells‚ a variety of granular lymphocyte‚ are the first line of defence against infections and cancer. First identified by their ability to “naturally” kill tumour cells previously unrecognised by the host (Kiessling et al.‚ 1975)‚ these bone marrow-derived innate killers were later recognised as a sepa-rate lymphocyte lineage‚ obtaining both cytotoxicity and cytokine-producing effector functions (Trinchi-eri
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