MIBO 3500 EXAM 3 SCOTT UGA QUESTIONS &
ANSWERS
Archaeal phylogeny - Answers -Difficult to culter & PCR
Genomes are recombinogenic
Classifications are frequently under revision
Archaeal Cell Wall does not have peptidoglycan but has - Answers -
pseudopeptidogylcan
The archaea Cell wall stains - Answers -gram positive or negative
The archaeal cell wall has NAG and no NAM but - Answers -N-Acetyltasamunyronic
acid
T/F the archaeal cell wall is NOT susceptible to cell wall antibiotics - Answers -True
Archaeal lipids in bacteria have - Answers -L-glycerlol and ether links
Archaeal lipids in eukaryotes have - Answers -D-glycerol and ester links
Archaeal Genomes similarities to bacteria include: - Answers -Circular genome
Gene size and density
Presence of operons
Archaeal Genomes similarities to eukaryotes include: - Answers -presence of introns
Presence of histone homologs
Parasitic Archaea: the parasitic cannot synthesize: - Answers -Lipids, amino acids, and
nucleotides
Archaeal Contribution to ecosystems: AOA - Answers -AOA is Ammonia Oxidizing
Archaea which oxidizes ammonia to nitrite
Archaeal Contribution to ecosystems: methanogens - Answers -releases methane from
soil and digestive habits
Definition of Eukaryotes - Answers -Structure is defined by the presence of the nucleus
and other membrane-enclosed organelles
Opisthokonts - Answers -Presence of unpaired flagellum at some point In the live cycle
Share several key gene insertions and deletions
EF1α - Answers -a translaiton elongaiton factor
,Choanoflagellates - Answers -microbes that diverged from animals
Collared cells closely resemble what kind fo cells of colonial sponges - Answers -
choanocyte cells
What do sponges use to circulate water and digest food particles - Answers -
choanocytes
Fungi do absorptive nutrition, what is It - Answers -secreter enzymes and then absorb
the broken down nutrients
What is hyphae - Answers -multinucleate cell filaments which extend and form
branches generating a mycelium
Fungi cell walls contain - Answers -chitin
Fungi membranes contain - Answers -ergosterol
Canidad albicans can be spread - Answers -sexual contact
Canidad albicans can involve what - Answers -skin or mucous membranes
Canidad albicans treatment - Answers -Monistat and Itraconazole mouth rinse
What does the Canidad albicans treatment do? - Answers -prevents fungal cell
membrane formation. The cell contents leak out
EF1α - Answers -deals with fungi
Studied Tabacco Mosaic Disease and observed agent was NOT removed by filters -
Answers -Ivanovsky
Studied the Tabacco Mosaic Disease but made the conceptual leaf that agent must be
small it tases through filters - Answers -Beijerinck
Studied Food and Mouth Disease of Livestock and noticed agent NOT removed by filter
- Answers -Loeffler and Frosch
Studied sarcomas in chickens. Cancer transmitted by virus - Answers -Rous
Exceptions for viruses causing harm - Answers -virus that kill pathogens or gene
therapy
Virus properties - Answers -Nature of their nucleic acid (DNA or RNA)
Symmetry of their protein shell
, Presence or absence of lipid membrane
Nucleic acid comparison
T/F viruses have additional layers - Answers -True
T/F viruses cant exist extracpllaurly - Answers -False- they can
T/F Viruses can reproduce independent of living cells nor carry our cell division -
Answers -False- they cannot
T/R Viruses have >1 molecule of DNA or RNA enclosed In their protein coat - Answers
-True
What is the virion size range - Answers -10-400 nm in diameter
What do virions contain which is composed of nucleic acid and a protein coat -
Answers -nucleocapsid
Structure of viruses they have what - Answers -envelopes and spikes
Envelopes are: - Answers -plasma membrane components derived from their host
Spikes are: - Answers -proteins used for attachment to host
What do capsids do? - Answers -Protect viral genetic material and aids in its transfer
between host cells
Capsids are made of protein subunits called - Answers -protomers
Protomers aggregate to form - Answers -capsomers
Capsids can be what shapes? - Answers -helical, icosahedral or complex
Shaped like hollow tubes with protein walls. May be bent or twisted - Answers -Helical
Capsids
Influenza has what shape capsid - Answers -helical
Polyherdral with 20 identical triangular faces. Structure exhibits rotational symmetry -
Answers -icosahedral
Adenovirus has what shape capsid - Answers -icosahedral
Some viruses do not dit in the category of helical icosahedral so they are called -
Answers -complex
ANSWERS
Archaeal phylogeny - Answers -Difficult to culter & PCR
Genomes are recombinogenic
Classifications are frequently under revision
Archaeal Cell Wall does not have peptidoglycan but has - Answers -
pseudopeptidogylcan
The archaea Cell wall stains - Answers -gram positive or negative
The archaeal cell wall has NAG and no NAM but - Answers -N-Acetyltasamunyronic
acid
T/F the archaeal cell wall is NOT susceptible to cell wall antibiotics - Answers -True
Archaeal lipids in bacteria have - Answers -L-glycerlol and ether links
Archaeal lipids in eukaryotes have - Answers -D-glycerol and ester links
Archaeal Genomes similarities to bacteria include: - Answers -Circular genome
Gene size and density
Presence of operons
Archaeal Genomes similarities to eukaryotes include: - Answers -presence of introns
Presence of histone homologs
Parasitic Archaea: the parasitic cannot synthesize: - Answers -Lipids, amino acids, and
nucleotides
Archaeal Contribution to ecosystems: AOA - Answers -AOA is Ammonia Oxidizing
Archaea which oxidizes ammonia to nitrite
Archaeal Contribution to ecosystems: methanogens - Answers -releases methane from
soil and digestive habits
Definition of Eukaryotes - Answers -Structure is defined by the presence of the nucleus
and other membrane-enclosed organelles
Opisthokonts - Answers -Presence of unpaired flagellum at some point In the live cycle
Share several key gene insertions and deletions
EF1α - Answers -a translaiton elongaiton factor
,Choanoflagellates - Answers -microbes that diverged from animals
Collared cells closely resemble what kind fo cells of colonial sponges - Answers -
choanocyte cells
What do sponges use to circulate water and digest food particles - Answers -
choanocytes
Fungi do absorptive nutrition, what is It - Answers -secreter enzymes and then absorb
the broken down nutrients
What is hyphae - Answers -multinucleate cell filaments which extend and form
branches generating a mycelium
Fungi cell walls contain - Answers -chitin
Fungi membranes contain - Answers -ergosterol
Canidad albicans can be spread - Answers -sexual contact
Canidad albicans can involve what - Answers -skin or mucous membranes
Canidad albicans treatment - Answers -Monistat and Itraconazole mouth rinse
What does the Canidad albicans treatment do? - Answers -prevents fungal cell
membrane formation. The cell contents leak out
EF1α - Answers -deals with fungi
Studied Tabacco Mosaic Disease and observed agent was NOT removed by filters -
Answers -Ivanovsky
Studied the Tabacco Mosaic Disease but made the conceptual leaf that agent must be
small it tases through filters - Answers -Beijerinck
Studied Food and Mouth Disease of Livestock and noticed agent NOT removed by filter
- Answers -Loeffler and Frosch
Studied sarcomas in chickens. Cancer transmitted by virus - Answers -Rous
Exceptions for viruses causing harm - Answers -virus that kill pathogens or gene
therapy
Virus properties - Answers -Nature of their nucleic acid (DNA or RNA)
Symmetry of their protein shell
, Presence or absence of lipid membrane
Nucleic acid comparison
T/F viruses have additional layers - Answers -True
T/F viruses cant exist extracpllaurly - Answers -False- they can
T/F Viruses can reproduce independent of living cells nor carry our cell division -
Answers -False- they cannot
T/R Viruses have >1 molecule of DNA or RNA enclosed In their protein coat - Answers
-True
What is the virion size range - Answers -10-400 nm in diameter
What do virions contain which is composed of nucleic acid and a protein coat -
Answers -nucleocapsid
Structure of viruses they have what - Answers -envelopes and spikes
Envelopes are: - Answers -plasma membrane components derived from their host
Spikes are: - Answers -proteins used for attachment to host
What do capsids do? - Answers -Protect viral genetic material and aids in its transfer
between host cells
Capsids are made of protein subunits called - Answers -protomers
Protomers aggregate to form - Answers -capsomers
Capsids can be what shapes? - Answers -helical, icosahedral or complex
Shaped like hollow tubes with protein walls. May be bent or twisted - Answers -Helical
Capsids
Influenza has what shape capsid - Answers -helical
Polyherdral with 20 identical triangular faces. Structure exhibits rotational symmetry -
Answers -icosahedral
Adenovirus has what shape capsid - Answers -icosahedral
Some viruses do not dit in the category of helical icosahedral so they are called -
Answers -complex
