Chapter 20 test Flashcards

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1
Q

archaea

A
  • domain

- lives in harsh environments

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2
Q

bacteria

A

has both cell wall and membrane

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3
Q

bacillus

A

rod bacteria

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4
Q

coccus

A

sphere bacteria

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5
Q

spirillus

A

spiral bacteria

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6
Q

heterotrophs

A

consume energy

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7
Q

autotrophs

A

make their own energy

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8
Q

photoautotrophs

A

energy from light

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9
Q

chemoautotrphs

A

gets energy from chemical reactions

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10
Q

binary fission

A
  • asexual reproduction

- bacteria splits

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11
Q

conjugation

A
  • sexual repro

- exchange dna

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12
Q

endospores

A

activate when conditions are right

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13
Q

environment bacteria functions

A

decomposers

producers

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14
Q

medical bacteria function

A

can be used in medicine

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15
Q

human bacteria function

A

creates yogurt

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16
Q

pathogen

A

makes you sick

17
Q

bacterial diseases

A
  • release toxins

- kill cells

18
Q

how does bacteria cause disease

A

through pathogens

19
Q

how are bacteria infections treated

A

antibiotics

20
Q

lyme disease

A

tick bites, rash

21
Q

tetanus

A

enters body through wounds

22
Q

bacterial meningitis

A

respiratory drops

23
Q

gram staining

A
  • either + or -

- can determine antibiotics

24
Q

antibiotics

A

kills the cell wall of bacteria

25
Q

plasmid

A

extra DNA in bacteria cells

26
Q

prions

A

small proteins

wrong shapes

27
Q

viroids

A

small stretch of proteins

28
Q

virus capsid

A

container made of protein

29
Q

virus genetic material

A

DNA/RNA in capsid

30
Q

virus reproduction

A

can only happen if there is a host cell

31
Q

bacteriophages

A

infects bacteria

32
Q

retroviruses

A

uses RNA to make DNA

33
Q

how do viruses cause disease

A

killing of cells

34
Q

west nile virus

A

caused by mosquito bites

35
Q

lytic infection

A

virus copies itself using bacteria cells

36
Q

lysogenic infection

A

virus dna is put into hosts dna to replicate