L1: Intro to microbiology

Question 1

Is E.coli gram negative or gram positive rod?

Answer 1

Gram Negative

Question 2

What is the cause of neo-natal sepsis due to a disruption of the normal flora of the birth canal?

Answer 2

Streptococcus agalactiae

Question 3

Pasteurella multocida is caused by bites from which animal?

Answer 3

Cats

Question 4

______ ________ is the causative organism in bubonic plague

Answer 4

Yersinia pestis

Question 5

What is listeria monocytogenes?

Answer 5

The species of pathogenic bacteria causing food poisoning, from the infection listeriosis. It is a facultative anaerobic bacterium, capable of surviving in the presence or absence of oxygen.

Question 6

What is the role of crystal violet in the performance of a gram stain?

Answer 6

It is a stain

Question 7

______ _______ is a Gram-negative, non-motile, encapsulated, lactose-fermenting, facultative anaerobic, rod-shaped bacterium

Answer 7

Klebsiella pneumoniae

Question 8

What is a coccus?

Answer 8

Any spherical or roughly spherical bacterium.

Question 9

What is a microorganism?

Answer 9

A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. Examples include Virus, Archaea, Bacteria, Fungi, Protists

Question 10

Define Pathogens

Answer 10

A bacterium, virus, or other microorganism that can cause disease.

Question 11

A _______ is a bacterium, virus, or other microorganism that can cause disease.

Answer 11

Pathogen

Question 12

Name the smallest infectious microorganism.

Answer 12

Viruses

Question 13

______ are typically between 18 and 300nanometers in diameter.

Answer 13

Viruses

Question 14

True or False: Viruses can be seem using a light microscope

Answer 14

False

Question 15

True or false: in order to view viruses under a microscope, scientists have to utilize colorised scanning electron micrographs

Answer 15

True

Question 16

There are currently over 100 families and 2800 species of which microrganism

Answer 16

Viruses

Question 17

True or False: Not all viruses can infect humans

Answer 17

True

Question 18

Are bacteria eukaryotes or prokaryotes?

Answer 18

prokaryotes

Question 19

True or false: Bacteria are unicellular prokaryotes

Answer 19

True

Question 20

Spheres, Rods, or Spirals describe the classification of which prokaryotic unicellular microorganism?

Answer 20

Bacteria

Question 21

______ is a rod shaped baterium

Answer 21

Bacili

Question 22

In bacterial classification, what shape is Bacilli?

Answer 22

Rod-shaped

Question 23

A rod-shaped bacterium is called

Answer 23

Bacilli

Question 24

Bacilli is

Answer 24

A rod shaped bacterium

Question 25

In bacterial classification, a cocci is ______ in shape

Answer 25

Spherical

Question 26

Any spherical or roughly spherical bacterium is known as

Answer 26

Cocci

Question 27

A spherical shaped bacterium is known as

Answer 27

Cocci

Question 28

Define: spirilla

Answer 28

A spiral shaped bacterium

Question 29

In bacterial classification, a spiral - shaped bacteria is known as a _____

Answer 29

Spirilla

Question 30

In bacterial classification, a spirilla is a spiral shaped _______

Answer 30

Bacteria

Question 31

In bacterial classification, bacteria is usually between __ to ___ micrometers (10e-6)

Answer 31

1 to 20

Question 32

1 - 20 micrometres (10e-6) is the size for which microorganism

Answer 32

Bacteria

Question 33

In Bacterial arrangement, streptococci appears in what shape?

Answer 33

Chains

Question 34

In Bacterial arrangement, _______ occurs in pairs or chains

Answer 34

Streptococci

Question 35

What is the etymology of the word streptococci

Answer 35

From the Greek streptos meaning “chain” and 'kokkos' meaning “berry”

Question 36

From the Greek streptos meaning “chain” and 'kokkos' meaning “berry”

Answer 36

Streptococci

Question 37

Any spherical or roughly spherical bacterium.

Answer 37

Coccus

Question 38

In bacterial classification, a spherical or roughly spherical bacterium that is isolated in arrangement is called a

Answer 38

Coccus

Question 39

Etymology: From the Greek word 'kokko', meaning 'berry'

Answer 39

Coccus

Question 40

Define: Staphylococci

Answer 40

A bacterium of a genus that includes many pathogenic kinds that cause pus formation, especially in the skin and mucous membranes.

Question 41

A bacterium of a genus that includes many pathogenic kinds that cause pus formation, especially in the skin and mucous membranes.

Answer 41

Staphylococci

Question 42

Etymology: From the Greek 'staphyle' (bunch of grapes) and kokkos (berry).

Answer 42

Staphylococci

Question 43

In bacterial classification, this pathogenic bacterium appears in a clustered arrangement. Hint: Greek bunch of berries + Berry

Answer 43

Staphylococci

Question 44

Are fungi pro or eukaryotic?

Answer 44

Eukaryotic

Question 45

_____ and _______ are two forms of unicellular and filamentous fungi, respectively.

Answer 45

Yeast and Mold.

Question 46

An intermediate between the bacteria and eukaryotes, and similar to bacteria in size and simplicity of structure but radically different in molecular organisation.

Answer 46

Archaea

Question 47

Derived from the Greek word archaios, meaning “ancient” or “primitive

Answer 47

Archaea

Question 48

True or False: Antartica is home to many microbes

Answer 48

True

Question 49

Define: psychrophiles

Answer 49

An organism that grows best at temperatures close to freezing.

Question 50

an organism that grows best at temperatures close to freezing.

Answer 50

A psychrophile

Question 51

A psychrophile is an organism that growths best at high or low temperatures

Answer 51

Low

Question 52

At low temperatures, this type of archaea grows best.

Answer 52

A psychrophile

Question 53

This archaea spends most of it's time in a freeze dried state, and is only active for brief periods in the summer

Answer 53

A psychrophile

Question 54

True or False: A psychrophile is found in hot volcanic springs were it grows best, in high temperatures

Answer 54

False

Question 55

Thermophiles are which type of microorganism?

Answer 55

Archaea

Question 56

These microbes thrive in high heat and are often found in hot volcanic springs.

Answer 56

Thermorphiles

Question 57

True or False: bacteria reproduce by splitting into two

Answer 57

True

Question 58

Vibrio is one of 4 basic shapes of which microorganism?

Answer 58

Bacteria

Question 59

Spheres, rods, spirals, and commas (vibrio) are four basic shapes of which type of microbe?

Answer 59

Bacteria

Question 60

This microbe is found as single cells (isolated), in pairs, or clusters.

Answer 60

Bacteria

Question 61

Name the 4 basic shapes of bacteria

Answer 61

Spheres, rods, spirals, and commas (vibrio).

Question 62

True of False: Viruses can exist independently.

Answer 62

False

Question 63

True of False: Viruses are parasitic

Answer 63

True

Question 64

This microbe is parasitic and caused harm to the host which results in disease

Answer 64

What is a virus.

Question 65

_____________ is formed when bacteria becomes infected by a virus.

Answer 65

Bacteriophage

Question 66

A virus that infects and replicates within bacteria and archaea is called

Answer 66

Bacteriophage

Question 67

what is a bacteriophage?

Answer 67

A virus that infects and replicates within bacteria and archaea

Question 68

What is the etymology of the word "bacteriophage"?

Answer 68

The term was derived from "bacteria" and the Greek φαγεῖν (phagein), meaning "to devour".

Question 69

The term was derived from "bacteria" and the Greek φαγεῖν (phagein), meaning "to devour".

Answer 69

Bacteriophage

Question 70

What are the two broad groups of Fungi

Answer 70

moulds and yeasts

Question 71

yeasts and moulds are two main groups of which microorganism?

Answer 71

Fungi

Question 72

A filamentous or thread like microorganism that penetrates their food source to form a network

Answer 72

Mould

Question 73

This microorganism can grow in dry and acidic conditions. It can also tolerate a wide range of temperatures, and is one of two broad forms of a large and diverse group of organisms

Answer 73

Mould.

Question 74

This group of Fungi is a microscopic single celled microbe that is usually round or oval in shape

Answer 74

Yeast

Question 75

This group of fungi converts sugar into alcohol and carbon dioxide by fermentation

Answer 75

Yeast

Question 76

What is yeast?

Answer 76

A microscopic fungus consisting of single oval cells that reproduce by budding, and is capable of converting sugar into alcohol and carbon dioxide.

Question 77

A microscopic fungus consisting of single oval cells that reproduce by budding, and is capable of converting sugar into alcohol and carbon dioxide.

Answer 77

What is yeast

Question 78

any unicellular fungus that reproduces vegetatively by budding or fission, including forms such as candida that can cause disease.

Answer 78

What is yeast

Question 79

What is yeast?

Answer 79

Any unicellular fungus that reproduces vegetatively by budding or fission, including forms such as candida that can cause disease.

Question 80

The word _____ derives from the ancient Indo-European word “gist” or “gyst”, which means “to boil” or “boil” and vividly describes it's function and effect in breadmaking.

Answer 80

Yeast