Bio 250 Exam 1 (Microbiology) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Microbiology - CORRECT ANSWER - The study of microorganisms
Microscopic, single cell , cluster, chains carry out life processes dependently or independently? -
CORRECT ANSWER - Carry out life processes INDEPENDENTLY as SINGLE CELLS
What are Viruses? - CORRECT ANSWER - microscopic, non-cellular, RNA or DNA
Bacterial and their processes and their effects on society, humans, animals, and the environment
what are the two basic themes? - CORRECT ANSWER - 1. Basic - cellular processes
2. Applied - practical problems in agriculture,
health and history
what are the 5 types of microorganisms? - CORRECT ANSWER - 1. bacteria
2. fungi
3. Protozoa
4. Algae
5. Viruses
what are bacteria? - CORRECT ANSWER - SINGLE CELLED ORGANISMS
- - prokaryotic
- - no nucleus
,bacteria are prokaryotic, what does this mean? - CORRECT ANSWER - they have no
membrane bound organelles and no true nucleus
what are the three shapes of bacteria? - CORRECT ANSWER - 1. spherical
2. rod
3. spiral
what is an example of a bacteria (from book)? - CORRECT ANSWER - Klebsiella
Pneumoniae
- rod shaped
- causes pneumonia
What are algae - CORRECT ANSWER - single celled microorganisms
Are algae eukaryotic or prokaryotic? - CORRECT ANSWER - Eukaryotic
T/F: algae have membrane bound organelles and a nucleus - CORRECT ANSWER - True
- Algae are eukaryotes
T/F: Algae are photosynthetic? - CORRECT ANSWER - True
Where do algae live? - CORRECT ANSWER - Fresh water and marine environments
T/F: algae cause diseases in humans - CORRECT ANSWER - False
- ALGAE DO NOT CAUSE DISEASES IN HUMANS
What is an example of an algae (from book) - CORRECT ANSWER - Micrasteria
- green algae found in FRESHWATER
,what are Fungi? - CORRECT ANSWER - single celled microorganisms (yeasts)
multicelluslar microorganisms (Molds)
what are single celled fungi called - CORRECT ANSWER - yeasts
what are multicelled fungi called - CORRECT ANSWER - molds
Are fungi prokaryotic or eukaryotic? - CORRECT ANSWER - Eukaryotic
where are fungi found? - CORRECT ANSWER - widely distributed in water and soil as
decomposers of dead organisms
which microorganism is important for medicine? - CORRECT ANSWER - Fungi
what is an example of a fungus? (from the book) - CORRECT ANSWER - philobolus
Crystallinus
what are viruses? - CORRECT ANSWER - acellular entities too small to be seen with a
light microscope
what are viruses composed of? - CORRECT ANSWER - nucleic acids and proteins
T/F: viruses are cell types - CORRECT ANSWER - False
they are acellular
what is a bacteriophage? - CORRECT ANSWER - viruses that infect bacteria
, T/F: a virus can contain both RNA and DNA - CORRECT ANSWER - False
a virus can only contain DNA or RNA, not both
what is a viroid - CORRECT ANSWER - nucleic acid without protein coating
what are prions? - CORRECT ANSWER - infectious proteinacceous particles
- cause mad cow disease
what is an example of a virus (from the book) - CORRECT ANSWER - bacteriophage
- virus that infect bacteria
what is protozoa ? - CORRECT ANSWER - single (protozoan)
- single-celled microorganism
t/F: protozoa are eukaryotic - CORRECT ANSWER - true
T/F: protozoa DO NOT have a nucleus and DO NOT have membrane bound organelles -
CORRECT ANSWER - False:
- protozoans do have a nucleus and have membrane bound organelles because they are
eukaryotes
where are protozoans found - CORRECT ANSWER - a variety of water and soil
environments
what is an example of a protozoa? - CORRECT ANSWER - amoeba
plague is caused by what - CORRECT ANSWER - bacteria
ACTUAL Exam Questions and CORRECT
Answers
Microbiology - CORRECT ANSWER - The study of microorganisms
Microscopic, single cell , cluster, chains carry out life processes dependently or independently? -
CORRECT ANSWER - Carry out life processes INDEPENDENTLY as SINGLE CELLS
What are Viruses? - CORRECT ANSWER - microscopic, non-cellular, RNA or DNA
Bacterial and their processes and their effects on society, humans, animals, and the environment
what are the two basic themes? - CORRECT ANSWER - 1. Basic - cellular processes
2. Applied - practical problems in agriculture,
health and history
what are the 5 types of microorganisms? - CORRECT ANSWER - 1. bacteria
2. fungi
3. Protozoa
4. Algae
5. Viruses
what are bacteria? - CORRECT ANSWER - SINGLE CELLED ORGANISMS
- - prokaryotic
- - no nucleus
,bacteria are prokaryotic, what does this mean? - CORRECT ANSWER - they have no
membrane bound organelles and no true nucleus
what are the three shapes of bacteria? - CORRECT ANSWER - 1. spherical
2. rod
3. spiral
what is an example of a bacteria (from book)? - CORRECT ANSWER - Klebsiella
Pneumoniae
- rod shaped
- causes pneumonia
What are algae - CORRECT ANSWER - single celled microorganisms
Are algae eukaryotic or prokaryotic? - CORRECT ANSWER - Eukaryotic
T/F: algae have membrane bound organelles and a nucleus - CORRECT ANSWER - True
- Algae are eukaryotes
T/F: Algae are photosynthetic? - CORRECT ANSWER - True
Where do algae live? - CORRECT ANSWER - Fresh water and marine environments
T/F: algae cause diseases in humans - CORRECT ANSWER - False
- ALGAE DO NOT CAUSE DISEASES IN HUMANS
What is an example of an algae (from book) - CORRECT ANSWER - Micrasteria
- green algae found in FRESHWATER
,what are Fungi? - CORRECT ANSWER - single celled microorganisms (yeasts)
multicelluslar microorganisms (Molds)
what are single celled fungi called - CORRECT ANSWER - yeasts
what are multicelled fungi called - CORRECT ANSWER - molds
Are fungi prokaryotic or eukaryotic? - CORRECT ANSWER - Eukaryotic
where are fungi found? - CORRECT ANSWER - widely distributed in water and soil as
decomposers of dead organisms
which microorganism is important for medicine? - CORRECT ANSWER - Fungi
what is an example of a fungus? (from the book) - CORRECT ANSWER - philobolus
Crystallinus
what are viruses? - CORRECT ANSWER - acellular entities too small to be seen with a
light microscope
what are viruses composed of? - CORRECT ANSWER - nucleic acids and proteins
T/F: viruses are cell types - CORRECT ANSWER - False
they are acellular
what is a bacteriophage? - CORRECT ANSWER - viruses that infect bacteria
, T/F: a virus can contain both RNA and DNA - CORRECT ANSWER - False
a virus can only contain DNA or RNA, not both
what is a viroid - CORRECT ANSWER - nucleic acid without protein coating
what are prions? - CORRECT ANSWER - infectious proteinacceous particles
- cause mad cow disease
what is an example of a virus (from the book) - CORRECT ANSWER - bacteriophage
- virus that infect bacteria
what is protozoa ? - CORRECT ANSWER - single (protozoan)
- single-celled microorganism
t/F: protozoa are eukaryotic - CORRECT ANSWER - true
T/F: protozoa DO NOT have a nucleus and DO NOT have membrane bound organelles -
CORRECT ANSWER - False:
- protozoans do have a nucleus and have membrane bound organelles because they are
eukaryotes
where are protozoans found - CORRECT ANSWER - a variety of water and soil
environments
what is an example of a protozoa? - CORRECT ANSWER - amoeba
plague is caused by what - CORRECT ANSWER - bacteria
