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CharacteristiCharacteristics of Virusescs of Viruses

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Types of Types of VirusesViruses

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BacteriophaBacteriophagesges

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Viral Viral ReproductiReproducti

onon

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Viral Viral DiseasesDiseases

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Prevention Prevention and and

TreatmentTreatment

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Characteristics of Viruses

Types of Viruses

Bacteriophages

Viral Reproducti

on

Viral Diseases

Prevention & Treatment

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Two things Two things that make up a that make up a

virusvirus

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What is a protein What is a protein coat and a coat and a

nucleic acid?nucleic acid?

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The protein The protein coat is called coat is called

thisthis

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What is the What is the capsid?capsid?

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Lipid layer that Lipid layer that surrounds surrounds

some viruses some viruses made from the made from the

host cell host cell membranemembrane

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What is the What is the envelope?envelope?

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Nucleic acid Nucleic acid found in found in

RetrovirusesRetroviruses

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What is RNA?What is RNA?

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Projections made Projections made of protein and of protein and

sugar chains on sugar chains on the surfacethe surface of an of an envelope to aid in envelope to aid in

attachmentattachment

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What are What are glycoproteins?glycoproteins?

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Rabies and Rabies and the measles the measles viruses have viruses have this shapethis shape

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What is a helix?What is a helix?

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Viral shape Viral shape consisting of consisting of 20 triangular 20 triangular

sidessides

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What is an What is an icosahedron?icosahedron?

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Enzyme found in Enzyme found in retrovirusesretroviruses

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What is reverse What is reverse transcriptase?transcriptase?

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Short pieces of Short pieces of protein that can protein that can cause Mad Cow cause Mad Cow

diseasedisease

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What are prions?What are prions?

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Short strands of Short strands of RNA without a RNA without a

capsid that cause capsid that cause plant diseaseplant disease

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What are What are Viroids?Viroids?

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Host cell for this Host cell for this phagephage

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What are What are bacteria?bacteria?

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Most common Most common types of these types of these

phagesphages

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What are T-What are T-phages?phages?

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Used to attach to Used to attach to their host celltheir host cell

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What are tail What are tail fibers?fibers?

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Attaches the Attaches the head to the tail head to the tail on this phageon this phage

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What is the What is the collar?collar?

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The only part of The only part of the phage NOT the phage NOT made of proteinmade of protein

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What is the What is the nucleic acid?nucleic acid?

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Required for a Required for a virus to become virus to become

active and active and reproducereproduce

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What is a host What is a host cell?cell?

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Term for a Term for a deadly virusdeadly virus

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What is virulent?What is virulent?

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Cell Bursting due Cell Bursting due to newly formed to newly formed

virusesviruses

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What is lysis?What is lysis?

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Made of the Made of the host’s DNA and host’s DNA and viral DNA joined viral DNA joined

togethertogether

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What is a What is a prophage?prophage?

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Life cycle of a Life cycle of a virus that virus that

destroys the host destroys the host cellcell

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What is the Lytic What is the Lytic Cycle?Cycle?

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Causes the Causes the disease known as disease known as

AIDSAIDS

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What is the HIV What is the HIV virus?virus?

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HIV is this type HIV is this type of virusof virus

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What is a What is a retrovirus?retrovirus?

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Viruses that Viruses that cause influenza?cause influenza?

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What are What are myxoviruses?myxoviruses?

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Caused by the Caused by the bite of an bite of an

infected animal infected animal & which attacks & which attacks

the nervous the nervous systemsystem

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What is rabies?What is rabies?

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A more severe case A more severe case of chickenpox that of chickenpox that

often occurs in often occurs in adultsadults

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What is shingles?What is shingles?

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Used to prevent Used to prevent many viral many viral diseasesdiseases

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What are What are vaccines?vaccines?

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Drugs that Drugs that interfere with interfere with

the synthesis of the synthesis of viral nucleic acidviral nucleic acid

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What are What are antiviral drugs?antiviral drugs?

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Type of virus that Type of virus that has been has been

genetically altered genetically altered so it can’t cause so it can’t cause

diseasedisease

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What is an What is an attenuated attenuated

virus?virus?

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Additional doses of Additional doses of vaccines given to vaccines given to extend a person’s extend a person’s protection against protection against

a virusa virus

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What are booster What are booster shots?shots?

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Vaccination has Vaccination has eradicated this eradicated this viral disease in viral disease in

the U.S.the U.S.

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What is What is smallpox?smallpox?

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Final Final JeopardyJeopardy

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VirologyVirology

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Wendell Stanley Wendell Stanley discovered viral discovered viral

structure by structure by crystallizing thesecrystallizing these

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What are Tobacco What are Tobacco Mosaic Viruses?Mosaic Viruses?