42. PROKARYOTES Flashcards
1
Q
- What are the 3 categories that living organisms are classified into?
A
- Bacteria
- Archaea
- Eukarya
2
Q
- What do Domain Bacteria and Domain Archaea consist of?
A
- Unicellular prokaryotes
3
Q
- What 4 kingdoms is the Domain Eukarya (Eukaryotes) divided into?
A
- Protists
- Fungi
- Plants
- Animals
4
Q
- What is the most widespread and diverse domain?
A
- Bacteria
- they are divided into multiple kingdoms
5
Q
- Where do we usually find Domain Archaea?
A
- they live in extreme environments
- such as salty lakes or boiling hot springs
THEY CONTAIN MULTIPLE KINGDOMS
6
Q
- What kind of Eukaryotes are Protists?
A
- they are unicellular
- they have some simple multicellular relatives
7
Q
- What kind of Eukaryotes are the Kingdom Plantae?
A
- they are multi cellular eukaryotes
- they carry out photosynthesis
- this is the conversion of light energy to food
8
Q
- What kind of Eukaryotes are the Kingdom Fungi?
A
- they are defined by their nutritional mode
EXAMPLE:
- the mushroom
- this absorbs nutrients after decomposing organic
material
9
Q
- What kind of Eukaryotes are the Kingdom Animalia?
A
- they consist of multicellular Eukaryotes
- these ingest other organisms
10
Q
- Name the 2 Prokaryotic Micro-organisms.
A
- Archaea
- Bacteria
11
Q
- Name the 2 Eukaryotic Micro-organisms.
A
- Protists
- Fungi
12
Q
- Name the Prokaryotic Macro-organisms?
A
- there are none
13
Q
- Name the 2 Eukaryotic Macro-organisms.
A
- Animals
- Plants
14
Q
- Provide a definition for Micro-organisms.
A
- these are Microscopic Organisms
- they consist of either 1 cell (unicellular)
- or they consist of a group of cells (multicellular)
15
Q
- What are the 5 categories of Micro-organisms?
A
- Bacteria
- Archaea
- Protists
- Fungi
- Viruses
16
Q
- Provide a definition for Bacteria.
A
- they are unicellular
- prokaryotic
- microorganisms
17
Q
- Provide a definition for Archaea.
A
- they are unicellular
- prokaryotic
- microorganisms
18
Q
- Provide a definition for Protists.
A
- they are eukaryotic
- microorganisms
EXAMPLE:
- Protozoa
- Algae
19
Q
- Provide a definition for Fungi.
A
- they are eukaryotic
- microorganisms
EXAMPLE:
- yeasts
- mushrooms
20
Q
- Provide a definition for Viruses.
A
- they are non-cellular
- pathogens
21
Q
- What can Pathogenic micro-organisms cause?
A
- they cause infectious diseases
22
Q
- What happened to the European population during the Middle Ages?
A
- they experienced a plague
- this killed one quarter of the population
23
Q
- What did Louis Pasteur do in the 1870s?
A
- he discovered the role of Pathogenic bacteria in the
transmission of infectious diseases
24
Q
- What did Koch discover in 1892?
A
- he discovered Vibrio Cholera
- this is a kind of bacteria
- it was the pathogen responsible for Cholera
25
Q
- What did Alexander Fleming discover in 1929?
A
- he discovered a specific antibiotic
- this is known as Peniciilin
26
Q
- What has helped to control and decrease the spread of infectious diseases?
A
- the discovery of Antibiotics and Vaccinations
27
Q
- What are the 4 largest pandemics Humanity has ever experienced?
A
- Black Death
- this is also known as the Bubonic Plague
- it killed roughly 200 Million people - Small Pox
- it killed roughly 56 Million people - Spanish Flu
- it killed roughly 40-50 Million people - Plague of Justinian
- this killed roughly 30-50 Million people
28
Q
- Which Bacteria caused the Black Plague?
A
- Yersinia Pestis Bacterium
- this Bubonic plague targeted the Lymph nodes
29
Q
- How did Alexander Fleming discover Penicillin?
A
- he accidentally discovered a Mold growing in his
laboratory - this Mold was capable of killing a bacterium called
Staphylococcus Aureus
30
Q
- What can be said about most of the World Epidemics before the end of the 19th Century?
A
- they were caused by Bacteria
31
Q
- What can be said about most of the World Epidemics after the end of the 19th Century?
A
- they are caused by Viruses
- this is a result of the development of Antibiotics
- we use Chemotherapeutic drugs to help deal with
viruses
32
Q
- Where does the word “Quarantine” originate from?
A
- it originates from the phrase: “Quarantina Giorni”
- this means 40 days
33
Q
- What does the term “40 days” refer to?
A
- the duration that the Venetian ships remained under
quarantine in the sea before they approached the
Venice port