Pathogens and infectious diseases Flashcards

(34 cards)

1
Q

sphere shaped bacteria

A

coccus

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2
Q

corkscrew shaped bacteria

A

spirillum

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3
Q

bacteria found in pairs

A

diplo-

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4
Q

bacteria found in chains

A

strepto-

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5
Q

bacteria found in grape like clusters

A

staphylo

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6
Q

What allows a bacteria to move and looks like a tail

A

flagellum

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7
Q

what are the only organelles in bacteria

A

ribosomes

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8
Q

what controls what comes in and out of the bacterium?

A

cell membrane

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9
Q

what gives the bacteria shape and support?

A

cell wall

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10
Q

how do bacteria preform conjugation

A

the pili exchanges dna between two organisms

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11
Q

how do bacteria grow in ideal conditions

A

exponentially

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12
Q

how to bacteria reproduce asexually

A

binary fission

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13
Q

how do bacteria help us

A

decomposers
sewage plants
food industry
clean up oil spills

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14
Q

what kingdoms to bacteria belong to

A

Archaebacteria

Eubacteria

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15
Q

how do bacteria get energy

A

autototrophic and heterotrophic organisms

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16
Q

how many chromosomes does a bacteria have

17
Q

what is an adaption some bacteria use to survive during harsh conditions

18
Q

What medicines are used to cure a disease by a bacteria?

19
Q

what is an antibiotic resistant bacteria, how can u lower your chance of getting them?

A

it is harder to kill with antibiotics

more are made when u dont finish the prescribed time to take an antibiotic

20
Q

Wha are the types of direct transmission of an infectious disease?

A

Person to Person (body fluids)
Animal to Person (bite scratch)
Mother to Fetus (aids hepatitis)

21
Q

what are the types of indirect transmission

A
Air born (flu,  common cold)
vector born ,  carried by an organism that doesn't have the disease ( lyme disease)
water born (cholera)
food borne (ecoli, salmonella)
22
Q

what is the Germ Theory

A

one micro organism causes one disease in an organism

23
Q

who was Louis Pasteur

A

created the pasteurization process- heating wine to kill bacteria.

came up with germ theory by proving germs from the air caused wine to go sour

24
Q

rod shaped bacteria

25
what arguments can be made to say a virus is an organism
Viruses are able to evolve Viruses can reproduce Viruses contain genetic material
26
what arguments can be made to say a virus is not an organism
Viruses depend on other living cells in order to reproduce Viruses are not made of cells Viruses do not need or obtain energy
27
What is the capsid of a virus
The capsid is similiar to the cell wall and determines the shape of the virus
28
What are viruses named for
the disease they cause the type of body they infect
29
Describe the lytic cycle and its steps
In the lytic cycle ATTACHMENT The virus attaches to the host cell ENTRY the viruses dna is inserted into the host cell REPLICATION Host cell dna is destroyed and viral nucleic acid and proteins are made ASSEMBLY New Viruses are put together LYSIS AND RELEASE Viruses break out of the host cell
30
Describe the lysogenic cycle and its steps
ATTACHMENT AND ENTRY LIKE LYTIC CYCLE VIRAL NUCLEIC ACID BECOMES PART OF HOST CELL DNA AS THE HOST CELL CONTINUES TO REPLICATE THE DNA OF THE VIRUS IS COPIED WITH IT SOMETIMES THE VIRUS IS ACTIVATED AND CELLS GO INTO THE LYTIC CYLCE
31
what is the difference between the lysogenic cycle and the lytic cycle
the lytic cycle eventually goes away the lysogenic cycle stays in an organism until its death
32
What are some lytic cylce viruses
common cold flu ect ....
33
what are some viruses that are the lysogenic cycle
aids Herpes 1 simplex Hepatitis B
34
Wgat are the three main parts of the virus head
Capsid viral envelope Nucleic acid core