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50 Cards in this Set
- Front
- Back
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T/F
Capsid, DNA, and Envelope, and capsules are all components of viruses |
False-- Capsules are not apart of viruses
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T/F
Rabies can infect many different hosts |
True
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All the teratogens in the TORCH series are viruses
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False-- Toxoplasma is not a virus
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Viruses have to ______ in order to replicate
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Bud
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Viruses that attack bacteria
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Bacteriophages
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What are the 4 components of a virus?
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Capsid, Envelope, Nucleic Acid, and Spikes
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A nucleic acid in a protein coating is commonly known as:
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Virus
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What 3 structures allow the virus to attach to the host?
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Envelope, Spikes, and Capsid
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What is the only virus that has been eradicated in the world?
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Small pox
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What does poxviridae cause?
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Small Pox
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What is the largest DNA Virus?
What is the smallest DNA virus? |
Largest: Poxvirus
Smallest: Parvovirus |
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What is the largest RNA virus?
What is the smallest RNA virus? |
Largest: Paramyxovirus
Smallest: Picornavirus |
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What converts RNA to DNA (HIV has this enzyme that converts its own RNA to DNA so that it is kept in the human genome)
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Reverse Transcriptase
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The human genome makes ________ (helpers) that allow the HIV to never leave
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T4 cells
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In Reverse Transcriptase, is RNA converted to DNA, or is DNA converted to RNA?
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RNA is converted to DNA
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Which Step?
Attachment of spikes, capsid or envelope to plasma membrane proteins (of the animal cell) |
Step 1: Replication of animal virus (Adsorption)
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Which Step?
Endocytosis, uncoating--enzymatic digestion of viral proteins |
Step 2: Replication of animal virus (Penetration)
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Which Step?
DNA viruses-happens in the host's nucleus RNA viruses-happens in the host's cytoplasm |
Step 3: Replication of animal virus (Biosynthesis)
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Which Step?
Virus codes for the proteins and glycoproteins |
Step 4: Replication of animal virus (Maturation)
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Which Step?
Budding with enveloped viruses, cell rupture with nonenveloped viruses |
Step 5: Replication of animal viruses (Release)
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Enterovirus is an example of a DNA or RNA virus?
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RNA
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Human Adenovirus is an example of DNA or RNA?
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DNA
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Human Adenovirus causes...
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Respiratory infections
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Simplexvirus causes...
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Oral and genital herpes
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Varicellovirus causes...
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Chicken pox, shingles
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Orthopoxvirus causes...
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Small pox, cowpox
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Human papillomavirusus causes...
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Warts, cervical and penile cancers
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Hepatitis B virus causes...
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Hepatitis B
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Enterovirus causes...
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Polio
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Rhinovirus causes...
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Common Cold
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Hepatovirus causes...
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Hepatitis A
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Rubella virus causes...
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Rubella (German measles)
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Morbillviris causes...
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Measles
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Lyssavirus causes...
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Rabies
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Influenzavirus causes...
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Influenza A and B
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Filovirus causes...
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Ebola
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What does TORCH stand for?
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Toxoplasma (protozoan)
Other (Hepatitis B, Varicella) Rubella (German measles) CMV (Cytomegalovirus) HSV (Herpes Simplex Virus) |
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Comes from cat feces, causes blindness and mental retardation
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Toxoplasma (protozoan)
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Varicella causes chicken pox or shingles
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Other (Hepatitis B, Varicella)
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If mother's "tider" (antibodies) are too low, baby is at risk
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Rubella (German Measles)
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Most common cause for birth defects in the United States
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CMV (Cytomegalovirus)
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If mother has it, will do C-Section to protect baby, can cause birth defects and death
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HSV (Herpes Simplex Virus)
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An agent that causes birth defects if it comes in contact with a fetus
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Teratogens
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What 4 diseases can Prions cause?
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1) Crutzfeldt-Jacob Disease
2) Kuru 3) Scrapie 4) Mad Cow |
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A progressive dementing illness
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Crutzfeldt-Jacob disease
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A disease that causes loss of voluntary motor control
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Kuru
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A disease that sheep have; can be transferred to humans
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Scrapie
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A disease that cows have; can be transferred to humans
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Mad Cow Disease
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What cancers can prions cause?
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Epstein-Barr virus, HPV: causes MONO and will cause Berkett's Lymphoma (jaw tumor)
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Viral genes that cause host cells to divide uncontrollably
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Oncogenes
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