Unit 5 Bacterial morphology and structure

Question 1

Bacteria is prokaryote or eukaryote?

Answer 1

Prokaryote

Question 2

Viruses are eukaryotes or prokaryote?

Answer 2

NONE, It is acellular

Question 3

Bacteriophage is prokaryote or eukaryote?

Answer 3

NONE, It is acellular

Question 4

Does prokaryote have a nuclear membrane?

Answer 4

No

Question 5

How many chromosome has a prokaryote?

Answer 5

1

Question 6

Does eukaryote have a nuclear membrane?

Answer 6

Yes

Question 7

Does eukaryote have chromosome?

Answer 7

Yes a lot

Question 8

Does eukaryote contain mitochondria?

Answer 8

Yes

Question 9

Does prokaryote contain mitochondria?

Answer 9

No

Question 10

Does prokaryote contain golgi apparatus?

Answer 10

No

Question 11

Does eukaryote contain golgi apparatus?

Answer 11

Yes

Question 12

Does eukaryote contain endoplasmic reticulum?

Answer 12

Yes

Question 13

Does prokaryote contain endoplasmic reticulum?

Answer 13

No

Question 14

Does eukaryote contain ribosomes?

Answer 14

Yes

Question 15

Does prokaryote contain ribosomes?

Answer 15

Yes

Question 16

How many ribosomes does eukaryote have?

Answer 16

80S

Question 17

How many ribosomes does prokaryote have?

Answer 17

70S

Question 18

Does eukaryote have a cell wall?

Answer 18

No

Question 19

Does prokaryote have a cell wall?

Answer 19

Yes

Question 20

Does eukaryote have sterols? Where is it located?

Answer 20

Yes, in plasma membrane

Question 21

Does prokaryote have sterols? Where is it located?

Answer 21

No

Question 22

How eukaryote do cell division?

Answer 22

Mitosis

Question 23

How prokaryote do cell division?

Answer 23

Binary fission

Question 24

Where is the mitochondria located?

Answer 24

In cytoplasm of eukaryote

Question 25

Where is golgi apparatus located?

Answer 25

In cytoplasm of eukaryote

Question 26

Where is endoplasmic reticulum located?

Answer 26

In cytoplasm of eukaryote

Question 27

Where are located the ribosomes?

Answer 27

In cytoplasm of eukaryote AND prokaryote

Question 28

How is DNA organized in prokaryote?

Answer 28

DNA organized in a single chromosome | NO nucleus

Question 29

How is DNA organized in eukaryote?

Answer 29

DNA organized in multiple chromosomes inside a nucleus

Question 30

What are the mitosis steps?

Answer 30

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

Question 31

What is the binary fission?

Answer 31

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.

Question 32

What is the size of the bacteria?

Answer 32

micrometre | µm = 1x10‐6 m

Question 33

What is the size of the virus?

Answer 33

nm = 1x10‐9 m

Question 34

What are the different shape for a bacteria?

Answer 34

Coccus Bacillus --> coccobacillus --> vibrio Spirillum

Question 35

What does coccus mean?

Answer 35

It is a bacteria's shape. | It's roughly spherical.

Question 36

What does Spirillum mean?

Answer 36

It's a bacteria's shape. | It's curviform or spiral-shape.

Question 37

What does coccobacillus mean?

Answer 37

It's a bacteria's shape. | It's short and plump.

Question 38

What does vibrio mean?

Answer 38

It's a bacteria's shape. | It's gently curved.

Question 39

What does bacillus mean?

Answer 39

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

Question 40

What does pleomorphism and for which cell is it?

Answer 40

It's for bacteria. | It means when cells of a single species vary to some extent in shape and size.

Question 41

The bright-field microscope is used for what?

Answer 41

To see stained cells | Easy to use

Question 42

The dark-field microscope is used for what?

Answer 42

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

Question 43

The phase-contrast microscope is used for what?

Answer 43

To see internal components.

Question 44

The fluorescence microscope is used for what?

Answer 44

To see immunofluorescence | Auramine O staining

Question 45

The electron microscope is used for what?

Answer 45

To see detailed structure of cells and virus.

Question 46

Does microbe have a specific color?

Answer 46

Most microbes are colorless.