I should like especially to thank Dr MAmpRin who has given devoted and efficient service over the four years. Actions. vs. Pete's PowerPoint Station is your destination for free PowerPoint presentations for kids and teachers about Viruses & Bacteria, and so much more.

Displaying Lesson 3 - Viruses.ppt. Virus classification by genome structure and core: The type of genetic material (DNA or RNA) and its structure (single- or double-stranded, linear or circular, and segmented or non-segmented) are used to classify the virus core structures.

Viruses can store their genetic information in six different types of nucleic acid which are named based on how that nucleic acid eventually becomes transcribed to the viral mRNA (Figure \(\PageIndex{1}\)) capable of binding to host cell ribosomes and being translated into viral proteins. Lesson 3 - Viruses.ppt. nucleus, no . Baltimore system of Classifications of Viruses June 30, 2016 Acharya Tankeshwar Virology 3 The Baltimore system of virus classification devised by virologist & Nobel laureate David Baltimore is based on the genomic nature of the viruses. Morphology: Viruses are grouped on the basis of size and shape, chemical composition and structure of the genome, and mode of replication. DISCOVERY OF VIRUSES: 1908: Vilhelm Ellerman and Olaf Bang, University of Copenhagen, first demonstrated that avian sarcoma leukosis virus could be transmitted after cell-free filtration to new chickens, causing leukemia. Oncogenic Virus Ppt - authorSTREAM Presentation. Helical morphology is seen in nucleocapsids of many filamentous and pleomorphic viruses. kingdom Question Did you notice that viruses did not appear in the six-kingdom classification system? Classification of Viruses - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. However, it is not possible to define a virus species by using a single species-defining property. viro The key to understanding the diversity of life is to learn how organisms are classified! The Adobe Flash plugin is needed to view this content.

PPT – Classification of Viruses PowerPoint presentation | free to view - id: 651ec-ZDc1Z. This is why it does NOT belong to any .

cytoplasm. Structure Types Replication Human Health ... (balance) Composed of cells Page 3 of 26. Small viruses, e.g., hepatitis B virus or the members of the picornavirus or parvovirus family, are orders of magnitude more resistant than are the larger complex viruses, e.g. members of …

Presentation Summary : Viruses are smaller than bacteria, they range in size between 20-300 nanometer ( nm ). Get the plugin now. VIROLOGY (nomenclature) Main rules for the correct spelling of names of viruses and related agents: The name of the order always ends in the suffix –virales and is written in italics and the first letter is capitalized.