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Virus
Viruses
16
Microbiology
Undergraduate 1
11/18/2015

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Cards

Term
Stages of a Lesion
Definition
1.Macule-flat red spot
2.Papule-slightly raised
3.Vesicles-raised and filled with clear fluid
4.Pustule-Filled with WBC forms puss
5.Crust-puss dries up
6.Scar
Term
Replication Cycle of HIV
Definition
1.Attachment 2.Entry by endocytosis 3.Uncoating 4. Synthesis of DNA 5.Integration Integrase 6.Synthesis of RNA 7. Release 8.Attachement
Term
Antigenic Drift (2 Years)
Definition
1. Influenza-Virus enters host cell 2. Mutations in antigen genes occur during replication 3. Influenza Virus 1-Exits cell
Term
Antigenic Shift (10 Years)
Definition
1. Influenza virus 1 & 2 enter host cell 2. Genes and antigens from both are incorporated into virions 3.Influenza virus 3 exits cell. Different from 1 & 2
Term
Lytic Replication Cycle
Definition
1. Attachment-virus attaches to bacteria 2.Entry-Nucleic acid enters host cell 3.Synthesis- host produces new nucleic acid 4.Assmbly-puts pieces together 5. Release-Virus released by lysing host cell
Term
Lysogenic Replication Cycle
Definition
1. Attachment 2.Entry 3. Formation of a prophage-Prophage formed and incorporated with host cell 4.Replication- Replicates virus 5.Induction-Triggered to move to lytic cycle
6. Synthesis 7. Assembly 8.Release
Term
3 mechanisms of entry
Definition
1.Direct
2. Membrane Fusion
3. Endocytosis
Term
Are viruses living or non living entities
Definition
Non Living
Term
Describe a virus
Definition
Minuscule,acellular,infectious either has DNA or RNA
Term
How is a A virus classified
Definition
Nucleic Acid dsDNA,ssDNA,dsRNA,ssRNA
Capsid and envelope or non enveloped
Term
Virus and Cancer
Definition
Cell division is under strict genetic control. If a system is missed then person can develop a neoplasia
Term
Environmental factors that contribute to the activation of oncogene
Definition
1.UV 2.Radiation 3. Carcinogens 4. Viruses
Term
What type of media can a virus grow in
Definition
Mature organisms
Term
Characteristics of a Viroid
Definition
Circular pieces of RNA
lack capsid
Term
Characteristics of a Prion
Definition
Cellular PRP are affected by Prion PRP. Prion PRP causes the cellular PRP to unfold and causes spongy spots and holes in the brain
Term
Good Viruses
Definition
Certain viruses can stop crimson tide
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