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Microbiology > Unit 5 Bacterial morphology and structure > Flashcards

Unit 5 Bacterial morphology and structure Flashcards

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Biology 101 flashcards
1
Q

Bacteria is prokaryote or eukaryote?

A

Prokaryote

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2
Q

Viruses are eukaryotes or prokaryote?

A

NONE, It is acellular

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3
Q

Bacteriophage is prokaryote or eukaryote?

A

NONE, It is acellular

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4
Q

Does prokaryote have a nuclear membrane?

A

No

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5
Q

How many chromosome has a prokaryote?

A

1

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6
Q

Does eukaryote have a nuclear membrane?

A

Yes

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7
Q

Does eukaryote have chromosome?

A

Yes a lot

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8
Q

Does eukaryote contain mitochondria?

A

Yes

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9
Q

Does prokaryote contain mitochondria?

A

No

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10
Q

Does prokaryote contain golgi apparatus?

A

No

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11
Q

Does eukaryote contain golgi apparatus?

A

Yes

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12
Q

Does eukaryote contain endoplasmic reticulum?

A

Yes

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13
Q

Does prokaryote contain endoplasmic reticulum?

A

No

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14
Q

Does eukaryote contain ribosomes?

A

Yes

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15
Q

Does prokaryote contain ribosomes?

A

Yes

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16
Q

How many ribosomes does eukaryote have?

A

80S

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17
Q

How many ribosomes does prokaryote have?

A

70S

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18
Q

Does eukaryote have a cell wall?

A

No

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19
Q

Does prokaryote have a cell wall?

A

Yes

20
Q

Does eukaryote have sterols? Where is it located?

A

Yes, in plasma membrane

21
Q

Does prokaryote have sterols? Where is it located?

A

No

22
Q

How eukaryote do cell division?

A

Mitosis

23
Q

How prokaryote do cell division?

A

Binary fission

24
Q

Where is the mitochondria located?

A

In cytoplasm of eukaryote

25
Q

Where is golgi apparatus located?

A

In cytoplasm of eukaryote

26
Q

Where is endoplasmic reticulum located?

A

In cytoplasm of eukaryote

27
Q

Where are located the ribosomes?

A

In cytoplasm of eukaryote AND prokaryote

28
Q

How is DNA organized in prokaryote?

A

DNA organized in a single chromosome

NO nucleus

29
Q

How is DNA organized in eukaryote?

A

DNA organized in multiple chromosomes inside a nucleus

30
Q

What are the mitosis steps?

A

1) Prophase
2) Prometaphase
3) Metaphase
4) Anaphase
5) Telophase
6) Interphase

31
Q

What is the binary fission?

A

It the way of division of prokaryote.

The chromosome is duplicated inside the cell, then the cell is divided into 2 cells with own chromosome.

32
Q

What is the size of the bacteria?

A

micrometre

µm = 1x10‐6 m

33
Q

What is the size of the virus?

A

nm = 1x10‐9 m

34
Q

What are the different shape for a bacteria?

A

Coccus
Bacillus –> coccobacillus
–> vibrio
Spirillum

35
Q

What does coccus mean?

A

It is a bacteria’s shape.

It’s roughly spherical.

36
Q

What does Spirillum mean?

A

It’s a bacteria’s shape.

It’s curviform or spiral-shape.

37
Q

What does coccobacillus mean?

A

It’s a bacteria’s shape.

It’s short and plump.

38
Q

What does vibrio mean?

A

It’s a bacteria’s shape.

It’s gently curved.

39
Q

What does bacillus mean?

A

It’s a bacteria’s shape.
It’s rod-shaped.
(Forme de baton)

40
Q

What does pleomorphism and for which cell is it?

A

It’s for bacteria.

It means when cells of a single species vary to some extent in shape and size.

41
Q

The bright-field microscope is used for what?

A

To see stained cells

Easy to use

42
Q

The dark-field microscope is used for what?

A

To see living cells that would be distorted by drying or heat or that cannot be stained with the usual methods.

43
Q

The phase-contrast microscope is used for what?

A

To see internal components.

44
Q

The fluorescence microscope is used for what?

A

To see immunofluorescence

Auramine O staining

45
Q

The electron microscope is used for what?

A

To see detailed structure of cells and virus.

46
Q

Does microbe have a specific color?

A

Most microbes are colorless.

Microbiology (3 decks)

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