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Molecular Biology > infectious agents > Flashcards

infectious agents Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

what is under susceptible hosts in COI

A

elderly
infants
immunocompromised
anyone

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2
Q

what is under pathogens in COI

A

bacteria
fungi
virus
parasites

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3
Q

what is under portal of entry in COI

A

mouth
nose
eyes
cuts

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4
Q

what is under MOT in COI

A

direct contact
indirect contact
vectors

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5
Q

what is under reservoir in COI

A

people
animal
food
water
soil

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6
Q

COI

A

pathogens, reservoir, portal of exit, mode of transmission, portal of entry, susceptible hosts

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7
Q

contains the
chromosomal DNA in bacteria

A

Nucleoid

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8
Q

Cell wall of bacteria is peptidoglycan or murein layer composed of:

A

NAG (N-acetylglucosamine)
NAM (N-acetylmuramic acid)

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9
Q

bacteria reproduce by

A

binary fission

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10
Q

-amoeba
-Plasmodium sp.

A

protozoa

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11
Q

Cell wall of fungi is ____ composed of polymers of glucose and mannose

A

CHITIN

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12
Q

CHITIN is made up of

A

glucose and mannose

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13
Q

filaments of fungi

A

HYPHAE

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14
Q

Most viruses are in the range of

A

20–200 nm

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15
Q

bacteria size generally ranges

A

0.2 to 5 um

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16
Q

gram pos
lives on skin, can cause staph infection

A

S. aureus

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17
Q

gram neg rod
lives in soil and water causes antibiotic resistant infxns

A

P. aeruginosa

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18
Q

gram neg

lives in large intestine
causes food poisoning

A

E. coli

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19
Q

found in fermented food

A

Lactobacillus acidophilus

20
Q

gram pos sphere
lives in mouth, tooth decay

A

Strep mutans

21
Q

rod shaped

A

Bacillus/bacilli

22
Q

Bacillus/bacilli examples

A

E. coli
Mycobacteria

23
Q

Spirochete example

A

Treponema spp.
Leptospira spp

24
Q

structure of enclosure unit which spores are formed

A

sporangium

25
Q

specialized fungal hypha as stalk of sporangium

A

sporangiophore

26
Q

long filamentous structure, form together as network called mycelium

A

hyphae

27
Q

anchor the fungi on substrate and absorb nutrients

A

rhizoid

28
Q

vegetative part of fungus consisting of hyphae

A

mycelium

29
Q

refers to fungi that have hyphae with multiple sectioned compartments by cross walls called septum

A

septate

30
Q

no cross walls fungi

A

coenocytic fungi

31
Q

flagella like appendages on bacterial cell wall but smaller in size

A

fimbriae and pili

32
Q

longer hair like microfibers on surface of grame negative bacteria

A

pili

33
Q

what has greater concentration in cytoplasm

A

inorganic ions

34
Q

substance of the cell

A

cytoplasm

35
Q

loops of dna, can be transferred from one bacteria to another, contains “special gene”

A

bacterial plasmids

36
Q

70s or 80s?
contain 70-80 type of proteins

A

80s

37
Q

70s or 80s? prokaryotic

A

70s

38
Q

s unit

A

svedberg

39
Q

gold standard for bacterial identification

A

16s rRNA sequencing

40
Q

refers to transfer of genetic material

A

conjugation

41
Q

a structure produced by bacteria resistant to many environmental or induced factors.

A

bacterial spore

42
Q

occurs when nutrients, such as sources of carbon and nitrogen are depleted

A

sporulation

43
Q

transfer of DNA from one vacterium to another via viruses or phages

A

Transduction

44
Q

species that share common distinct surface structures or antigens capable of eliciting the same serologic response in humans

A

serotype classification

45
Q

species that share common observable characteristics or traits attributed by genetic and evnvrionmental influence such as morphological, biochemical, developmental, and physiological properties

A

phenotype classification

46
Q

groups of organisms that cause infectioys diseases

A

infectious agents:

bacteria
protozoa
virus
fungi

Molecular Biology (5 decks)

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