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Microbiology:BIsc 260 > Exam 2: Viruses > Flashcards

Exam 2: Viruses Flashcards

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Biology 101 flashcards
1
Q

is Deinococus radiodurans gram positive or negative

A

positive

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2
Q

Deinococcus radiodurans is a cocci that is found in __ or __

A

pairs, tetrads

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3
Q

Deinococcus radiodurans is an ___ ___

A

obligated anaerobe

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4
Q

can survive extreme cold, dehydration, and radiation

A

Deinococcus radiodurans

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5
Q

how was Deinococcus radiodurans discovered

A

when packaging cans irradiated with gamma rays and the canned meat spoiled

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6
Q

can survive a radiation dose 1000 times higher than a human can survive

A

Deinococcus radiodurans

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7
Q

Deinococcus radiodurans genome consists of two __ __

A

circular chromosomes

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8
Q

has a very high G/C content (67%).

A

Deinococcus radiodurans

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9
Q

Deinococcus radiodurans is a single stranded ___

A

annealing

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10
Q

when it comes to Deinococcus radiodurans, it has high levels of __ complexes which acts as antioxidants

A

manganese

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11
Q

how did Deinococcus radiodurans evolve when it comes to radiation levels

A

what protects them from desiccation also protected them from radiation

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12
Q

infects keratinocytes

A

human papillmavirus (HPV)

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13
Q

causes skin warts, genital warts, cervical cancer, and perhaps some lung cancer

A

HPV (human papillomavirus)

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14
Q

HPV might be transmitted via ___ __

A

blood transfusion

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15
Q

most common sexually transmitted virus

A

human papillomavirus

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16
Q

most common yeast pathogens of humans

A

Candida albicans

17
Q

candida albicans have plasma membrane and cell walll but it is not made up of peptidogylcan but ___

A

chitin

18
Q

Is Candida albicans prokaryotic or eukaryotic

A

eukaryotic

19
Q

true or false: candida albicans are more complex than bacteria but simpler than multicellular eukaryotic organisms

A

true

20
Q

candida albicans are considered an

A

opportunistic pathogen

21
Q

part of our microbione and is kept in check by our immune system and is apart of our flora

A

candida albicans

22
Q

when stress or other issues compromise our immune system, then Candida albicans can become ___ and escape its niche

A

pathogenic

23
Q

Candida albicans belong to what clade?

A

CTG

24
Q

doesnt follow the standard genetic code

A

Candida albicans

25
Q

CTG codes for __, which is a hydrophobic amino acid in most organisms

A

leucine

26
Q

in Candida albicans, CTG codes for ___ a neutral or hydrophili

A

neutral

27
Q

Cervcrix vaccine covers which HPV viruses?

A

16,18

28
Q

Vaccine Gardasil covers which HPV viruses

A

6,11,16,18

29
Q

What target HPV’s are in Gardasil 9 vaccine

A

6,11,16,18,31,33,45,52,58

30
Q

HPV encodes 2 onocogenes, what are they?

A

E6,E7

31
Q

True or false: E6 and E7 directly causes cancer

A

false

32
Q

why does E6 and E7 indirectly cause cancer?

A

they allow very slow mutation

33
Q

one of the most radiation-resistant organisms known

A

Deinococcus radiourans

Microbiology:BIsc 260 (18 decks)

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