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Biology > Microbiology > Flashcards

Microbiology Flashcards

1
Q

Bacteria belong to the kingdom of

A

Monera

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2
Q

Bacteria are

A

Unicellular organisms

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3
Q

What are bacteria also known as

A

Prokaryotes

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4
Q

Prokaryotes

A

They have no membrane bound nucleus or cell organelle

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5
Q

Bacteria 3 shapes

A

Spherical
Rod
Spiral

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6
Q

Vaccines deal with..

A

Viruses

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7
Q

Antibiotics deal with

A

Bacteria

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8
Q

Spherical bacteria causes

A

Pneumonia

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9
Q

Rod bacteria causes

A

Anthrax and ecoli

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10
Q

Spirillum bacteria causes

A

Suphilis (std)

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11
Q

What causes the movement of a bacterial cell

A

Flagellum

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12
Q

Cell wall provides

A

Shape and structure

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13
Q

Cytoplasm contains

A

Ribosomes

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14
Q

Capsule used for

A

Protection

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15
Q

Plasmid

A

Circular piece of dna containing genes

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16
Q

What does a bacterial cell not have

A

Mitochondria or chloroplasts

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17
Q

Mitochondria

A

Provides energy

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18
Q

Def for binary vision

A

Method of how bacteria reproduces

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19
Q

What happens when binary vision occurs

A

The cell elongates and two chromosomes separate

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20
Q

Bacteria reproduce

A

Asexually

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21
Q

How are two identical daughter cells formed?

A

The cell wall grows to divide the cell in two

The chromosomes attach to the plasma membrane and the dna is replicated

22
Q

Asexually

A

Genetically identical

23
Q

Bacteria can reproduce..

A

Quickly

24
Q

New mutations spread very..

A

Quickly

25
Q

What is the endospore formation

A

Bacterial survival technique

26
Q

What does bacteria need to survive

A

Moisture heat and nutrients

27
Q

bacteria in seeds

A

Allows seeds to survive in harsh conditions

28
Q

Unfavorable conditions of bacteria

A

Temperature too high/ low

Not enough nutrients

29
Q

Favorable bacteria conditions

A

When spores can break walls and reproduce

30
Q

When are endospores formed

A

When the bacterial chromosomes replicate

31
Q

Autotrophic

A

Organisms that make their own food

32
Q

Herotrophic

A

Organisms that take in food naked by other organisms

33
Q

Examples of autotrophic bacteria

A

Photosynthetic and chemosynthetic bacteria

34
Q

What do photosynthetic bacteria use light for

A

To make food

35
Q

Chemosynthetic bacteria uses energy from

A

Chemical reactions go make food

36
Q

Aerobic

A

Needs oxygen

37
Q

Name two herotrophic bacteria

A

Saprophytic snd parasitic bacteria

38
Q

What does saprophytic bacteria live off

A

Dead organic matter

39
Q

What does parasitic bacteria cause

A

Anthrax

40
Q

Name three factors affecting the growth of bacteria

A

Temperature
pH
Pressure

41
Q

How do you kill bacteria

A

With high temperature

42
Q

How will enzymes become denatured

A

If bacteria is placed in an unsuitable pH

43
Q

How are bacteria’s inhibited

A

By high pressures

44
Q

How can bacteria gain/ loose weight

A

Osmosis

45
Q

Beneficial bacteria

A

Ecoli

46
Q

What is ecoli used to make

A

Enzymes and vitamins

47
Q

Harmful bacteria

A

Chest infections

Food poisoning

48
Q

Higher bacterial cytoplasm means the water moves ..

A

Out of the bacteria (dehydration)

49
Q

Lower bacteria means the water..

A

Enters bacteria (cell wall prevents bursting)

50
Q

Pathogens

A

Are microorganisms that cause disease

51
Q

What causes disease in humans and animals

A

Pathogenic bacteria

Biology (29 decks)

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