'Viral structure' diaporamas de présentation

General Virology

General Virology. VIRUS STRUCTURE. Virion vs virus. Virion is the infectious particle composed of nucleic acid, protein capsid, +/- envelope may be extracellular or intracellular Virus is any stage of infection. Capsid. Functions Protection of NA Attachment for naked viruses Enzyme

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Viruses

Viruses. Chapter 26. The History of Viruses / Virology. Viral diseases such as rabies have affected humans for many centuries.

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Medical Microbiology Introduction

Medical Microbiology Introduction. Dr. Sameer Naji, MB, BCh, PhD (UK) Dean Assistant Head of Basic Medical Sciences Dept. Faculty of Medicine The Hashemite University. General Properties of Viruses. Viruses are the smallest infectious agents.

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H1N1 A Discussion For Primary Care Physicians

H1N1 A Discussion For Primary Care Physicians. Bonita J. Sorensen, M.D., MBA Director Volusia County Health Department. H1N1 Points of Discussion. Why is this issue an important public health issue Current epidemiological information and the national, state and local level

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Viruses, Viroids, and Prions

Viruses, Viroids, and Prions. Characteristics of Viruses. Obligate intracellular parasites Contain either DNA or RNA, but not both Consist of a protein coat surrounding the nucleic acid core Multiply only within a living cell Display specific host range

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Viruses

Viruses. Biology 4(C). Viruses. Learning objectives Know the structure of viruses Compare viruses to cells Understand viral reproduction Understand the role of viruses in diseases. Do viruses fulfill the characteristics of life? Viruses cannot reproduce on their own

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Lecture 29: Viruses

0.5 ?m. Lecture 29: Viruses. Lecture outline 11/11/05. Types of viruses Bacteriophage Lytic and lysogenic life cycles DNA viruses RNA viruses Influenza HIV Prions Mad cow disease. Figure 18.4 Viral structure. Capsomere of capsid. Membranous envelope. RNA. Capsomere. DNA. Head.

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Remember!

Remember!. Viruses are not living organisms because they are incapable of carrying out all life processes . Viruses are not made of cells can not reproduce on their own do not grow or undergo division do not transform energy lack machinery for protein synthesis.

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Chapter 17: Outline

Chapter 17: Outline. DNA Mutation Chromosomes and Variations Chromatin Supercoiling Genome Structure RNA (We are here.) Transfer, Ribosomal, Messenger Heterogeneous and Small Nuclear Viruses. 17.2 Kinds of RNAs. transfer RNA (tRNA)

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Recap questions chapter 7b

Recap questions chapter 7b. What is autoimmunity? You are blood type O - what blood type can you receive? What blood type is the universal donor? What must be given to transplant patients following their operation? Explain why. Higher Human Biology. Viruses Chapter 8. Viruses.

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Genetics of Viruses

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Pre AP Biology

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Viruses

Viruses. Viruses. Non living Cannot reproduce on their own Reproduction Need a host cell Extremely small. Viral Structure. No nucleus Genetic Material DNA or RNA Capsid around outside. Viral Reproduction. Viruses need a specific host cell Virus injects DNA or RNA into cell

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