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MYCOLOGY & VIROLOGY > REVIEWER_INTRO TO MYCOVIRO > Flashcards

REVIEWER_INTRO TO MYCOVIRO Flashcards

1
Q

viral particle that is functionally deficient

A

DEFECTIVE VIRUS

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2
Q

morphologic unit of the capsid

A

CAPSOMERE

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3
Q

repeating units of a capsid that are chemically composed of polypeptides

A

CAPSOMERE

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4
Q

virus = _______ in Latin

A

poison

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5
Q

T/F

Viruses are smaller than bacteria

A

TRUE

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6
Q

T/F

Viruses always require a host for survival

A

TRUE

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7
Q

T/F

Viruses are host cell specific organisms

A

TRUE

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8
Q

Viruses only infect certain cells if the cells have what?

A

receptors

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9
Q

a complete viral particle / unit of a virus

A

VIRION

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10
Q

a virion is typically composed of how many parts

A

2-3

  • nucleic acid core, capsid, envelope*
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11
Q

T/F

It is necessary for a virus to be composed of at least 2 parts

A

TRUE

nucleic acid core (genome)
capsid

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12
Q

the genome of a virion is composed of _____?

A

DNA or RNA

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13
Q

protein coat of the viral particle

A

CAPSID

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14
Q

lipid rich component of the virion

A

ENVELOPE

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15
Q

types of virus according to presence of envelope

A

ENVELOPED

NAKED

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16
Q 
Enveloped = ether \_\_\_\_\_\_\_\_
Naked = ether \_\_\_\_\_\_\_\_
A 
E = ether labile
N = ether stable/resistant
17
Q

type of virus that are not destroyed by an organic solvent

A

NAKED

18
Q

packaged form of the genome in a virus

A

NUCLEOCAPSID

19
Q

composed of the genome surrounded by a capsid

A

NUCLEOCAPSID

20
Q

nucleocapsids are mostly encountered in (DNA/RNA) viruses

A

RNA

because capsids are closely interconnected with the genome of RNA viruses

21
Q

substance found in protein coat (capsid) and are also composed of proteins

A

PROTOMERS

22
Q

protein spikes that are present on the surface of the envelope

used for attachment process of viral replication

A

PEPLOMERS

23
Q

used by the virus to interact with the receptors found in the host cell

A

PEPLOMERS

24
Q

a component that can be found in certain type of viruses such as HIV and Herpes virus and is found between the envelope and capsid; important in replication process of the virus

A

MATRIX PROTEIN

25
Q

T/F

Viruses can have both RNA and DNA at the same time

A

FALSE

only either

26
Q

diameter range of a virus

A

20-300 nm

27
Q

T/F

Viruses contain only one copy of genome

A

TRUE

except Retroviruses (diploid virus)

28
Q

T/F

Viruses can be single stranded or double stranded

A

TRUE

29
Q

The genetic material arrangement of the virus can be:

A

linear
circular
segmented (fragmented or in pieces)

30
Q

Segmented genome is countered only in what type of viruses

A

RNA. Never DNA.

MYCOLOGY & VIROLOGY (1 decks)

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