'Lytic infection' presentation slideshows

Bacteria & Viruses

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HIV/AIDS

HIV/AIDS. Pr Coscoy MCB150. AIDS. Human Immunodeficiency Virus A cquired I mmuno D eficiency S yndrome. AIDS results from CD4+T cell depletion causing severe immunosuppression and an increase in opportunistic infections. Opportunistic Infections.

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What do the following have in common?

What do the following have in common?. Can you Identify the picture below?. Characteristics of Life. Made of Cells Reproduce Metabolize (energy) Grow Respiration Respond to environmental changes. How can you prevent the spread of disease? (3)

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Viruses

Viruses. Living or non-living? This is debatable! Living Thing? Viruses can reproduce. Non-living thing? Viruses can only show characteristics of a living thing (reproduce) inside a host cell Viruses are infectious particles made only of a strand of DNA or RNA surrounded by protein coat.

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Chapter 27 Phage Strategies

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Viruses

Viruses . What is a Virus?. Very small Non-living particle Made up of nucleic acid and proteins Can only reproduce by infecting living cells Do not carry out respiration, grow or develop. Structure. Viruses have an inner core which contains either RNA or DNA

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Viruses

Viruses. CLS 212: Medical Microbiology. History. Through the 1800s, many scientists discovered that something smaller than bacteria could cause disease and they called it virion ( Latin word- poison ). In the 1930s, after the invention of electron microscopes, viruses finally could be seen.

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Immune Response to?Infectious Diseases

Immune Response to?Infectious Diseases. Viral Infections Bacterial Infections Protozoan Diseases Diseases Caused by Parasitic Worms (Helminths) Emerging Infectious Diseases. Viruses are obligatory intracellular microorganisms

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Viruses

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Chapter 19-2 Notes

Chapter 19-2 Notes. Definition of viruses:. Non-living (?) disease-causing particles Composed of DNA or RNA surrounded by a protein coat. Can only reproduce when inside other living cells. . Structure of a virus. C apsid Made up of proteins (receptors)

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Viruses

Viruses. Virus: A noncellular particle composed of genetic material that can invade living cells . Viruses are considered by most to be non-living since they lack metabolism and are not made of cells. Are extremely small Are usually very specific as to what cells they can invade.

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Due Monday before Exam

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