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Chapter 13 > General Characteristics of Viruses > Flashcards

General Characteristics of Viruses Flashcards

1
Q

obligatory intra cellular

A

they require living cells to multiply

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2
Q

Typical Bacteria or Virus: Intracellular Parasite?

A

Virus Only

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3
Q

Typical Bacteria or Virus: Has a plasma membrane?

A

Bacteria Only

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4
Q

Typical Bacteria or Virus: Binary Fission

A

Bacteria Only

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5
Q

Typical Bacteria or Virus: Can pass through Bacteriological Filters?

A

Virus Only

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6
Q

Typical Bacteria or Virus: Possesses Both DNA and RNA?

A

Bacteria Only. Viruses only contain a single type of nucleic acid, either DNA or RNA.

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7
Q

Typical Bacteria or Virus: ATP-Generating Metabolism?

A

Bacteria Only

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8
Q

Typical Bacteria or Virus: Ribosomes?

A

Bacteria Only

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9
Q

Typical Bacteria or Virus: Sensitive to Antibiotics?

A

Bacteria Only

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10
Q

Typical Bacteria or Virus: Sensitive to Interferon

A

Virus Only

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11
Q

host range

A

the spectrum of host cells the virus can infect

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12
Q

bacteriophages

A

viruses that infect bacteria

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13
Q

what is the average size of viruses?

A

20 to 1000 nm

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14
Q

virion

A

a fully developed; infectious viral particle composed of nucleic acid and surrounded by a protein coat outside the host cell

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15
Q

Describe the nucleic acids of viruses

A

can be either single stranded DNA, double stranded DNA, single stranded RNA, and double stranded RNA. Circular or linear, or in several segments

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16
Q

what is the nucleic acid of a virus protected by?

A

Capsid

17
Q

capsid

A

protein coat of a virus that protects the nucleic acids

18
Q

capsomeres

A

the protein subunits that make up the capsid

19
Q

envelope

A

an outer covering that surrounds some capsids. it can be made of lipids, proteins, and carbohydrates

20
Q

spikes

A

a carbohydrate-protein complex that project from the envelope. they can be used to attach to the host cell, and clump red blood cells together

21
Q

helical viruses

A

long rod and the nucleic acid is found in the hollow opening

22
Q

polyhedral viruses

A

shape of icoahedron; 20 triangular faces and 12 corners

23
Q

complex viruses

A

the capsid head is polyhedral and the tail is helical

Chapter 13 (4 decks)

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