Moquitoes
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Mosquitoes are small flies that can carry serious diseases like malaria, yellow fever, and dengue. With over 3,500 species, mosquitoes are the deadliest animal family in the world as they act as vectors, transmitting harmful infections from one host to another. While their saliva causes irritating rashes, mosquitoes also carry microscopic parasites that they transmit between hosts using their 47 teeth.
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Science project class 10 Covid-19 TuberculosisVEENAKSHI PATHAK
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Coronaviruses are a large family of
Viruses that are common
Throughout the world and can cause
Respiratory illness in people and
Animals.
Simple Phenomena of Magnetism | IGCSE Physics
Simple Phenomena of Magnetism | IGCSE PhysicsBlessing Ndazie
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This extensive slide deck provides a detailed exploration of the simple phenomena of magnetism for IGCSE Physics. It covers key concepts such as magnetic materials, properties of magnets, magnetic field patterns, the Earth's magnetism, electromagnets, the motor effect, and the principles of electromagnetic induction. The presentation also explains magnetization and demagnetization, methods of making magnets, applications of magnets in real life, and experimental demonstrations. Featuring illustrative diagrams, worked examples, and exam-style questions, this resource is ideal for IGCSE students, teachers, and independent learners preparing for exams.Electrical Quantities and Circuits | IGCSE Physics
Electrical Quantities and Circuits | IGCSE PhysicsBlessing Ndazie
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This extensive slide deck provides a detailed exploration of electrical quantities and circuits for IGCSE Physics. It covers key electrical quantities, including charge, current, voltage (potential difference), resistance, power, energy, electromotive force (EMF), and internal resistance. The presentation also explains series and parallel circuits, with in-depth discussions on Ohms Law, Kirchhoffs Laws, electrical components, circuit calculations, and practical applications. Packed with illustrative diagrams, worked examples, and exam-style questions, this resource is ideal for IGCSE students, teachers, and independent learners preparing for exams.
WORKING AND APPLICATION OF LC-MS/MS 2025
WORKING AND APPLICATION OF LC-MS/MS 2025PSG College of Technology
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LC-MS/MS (Liquid Chromatography-Tandem Mass Spectrometry) is a powerful analytical tool for comparing innovator and biosimilar drugs. It ensures precise characterization, detecting structural variations, impurities, and post-translational modifications, ensuring biosimilar quality, efficacy, and regulatory compliance in pharmaceutical development.Unjustly Incriminating Bacteria: the Role of Bacteriophages in Bacterial Infe...
Unjustly Incriminating Bacteria: the Role of Bacteriophages in Bacterial Infe...christianagboeze2427
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SUMMARY
Based on human relationship with bacteria, virulence is one of the most important case to us. Some forms of virulence thought to arise only from the actions of bacteria are not actually caused by them but are indirectly influenced by another counterpart in the microbial mix of the ecosystem called bacteriophage; viruses that only infect prokaryotes such as bacteria but not eukaryotes. Bacteriophages preferably attack bacteria due to the lack of specific receptors for phages on eukaryotic cells which are found in bacteria e.g. peptide sequences and polysaccharide moieties in gram positive and gram negative bacteria, bacterial capsules, slime layers, flagella etc. They recognize and bind to bacteria using appropriate receptors, subsequently proceeding to inject their genome called prophage into their host. This review focuses on the most probable outcomes of phage-host interactions via the lytic and lysogenic cycles which are therapeutic effect and pathogenicity/resistance to antibiotics respectively. By lysogenic conversion or transfer of acquired genetic materials via transduction, phages can confer unusual traits such as virulence and antibiotics resistance. Important pathogenic bacteria that cause persistent and critical infections which have their pathogenicity engineered by phages include Pseudomonas aeruginosa, Salmonella enterica, Escherichia coli, Vibrio cholerae, Staphylococcus spp., and Clostridium spp.
The prophages influence their virulence in a variety of ways which include: contribution to the production of phage-encoded toxins, modification of the bacterial envelope, mediation of bacterial infectivity, and control of bacterial cell regulation. The unwavering threat of antimicrobial resistance in global health, extreme difficulty involved in developing novel antibiotics, and the rate at which microorganisms develop resistance to newly introduced antimicrobials have sparked urgency and interest in research for effective methods to eradicate pathogenic bacteria and limit antibiotic resistance. As a result, interest in phage therapy has been reignited because of the high efficiency in detecting and killing pathogenic bacteria by phages.
The Sense Organs: Structure and Function of the Eye and Skin | IGCSE Biology
The Sense Organs: Structure and Function of the Eye and Skin | IGCSE BiologyBlessing Ndazie
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This detailed presentation covers the structure and function of the sense organs, focusing on the eye and skin as part of the Cambridge IGCSE Biology syllabus. Learn about the anatomy of the eye, how vision works, adaptations for focusing, and common eye defects. Explore the role of the skin in temperature regulation, protection, and sensory reception. Perfect for students preparing for exams!(Journal Club) Focused ultrasound excites neurons via mechanosensitive calciu...
(Journal Club) Focused ultrasound excites neurons via mechanosensitive calciu...David Podorefsky, PhD
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Drug evaluation Organoleptic, Microscopic, Chemical, Biological
Drug evaluation Organoleptic, Microscopic, Chemical, BiologicalNistarini College, Purulia (W.B) India
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Unjustly Incriminating Bacteria: the Role of Bacteriophages in Bacterial Infe...
Unjustly Incriminating Bacteria: the Role of Bacteriophages in Bacterial Infe...christianagboeze2427
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Moquitoes
- 2. BY GRADE 7
- 3. Mosquitoes are small flies . Some mosquitoes attack invertebrates. The saliva of the mosquito often causes an irritating rash that is a serious matter. Much more serious though, are the roles of many species of mosquitoes as vectors of diseases. some produce extremely harmful infections such as malaria , yellow fever, dengue etc .It is the deadliest animal family in the world
- 4. There are more than 3,500 species of mosquitoes
- 5. The mosquitoes carry a host a smaller creatures. These cant be seen unless magnified by the electronic microscope.
- 6. There are 47 teeth if a mosquito.