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Questions and Answers
In a Gram-negative bacterium, where would you expect to find porins?
In a Gram-negative bacterium, where would you expect to find porins?
- In the cell membrane
- In the outer membrane (correct)
- Both A and B
- neither A nor B
where would you expect to find lipopolysaccharide (LPS)?
where would you expect to find lipopolysaccharide (LPS)?
- The cell membrane of a typical Gram-negative bacterium
- The cell membrane of a typical Gram-positive bacterium
- The cell membrane of a typical member of the domain Archaea
- The outer membrane of a typical Gram-negative bacterium (correct)
Which of the following is the best description of pili (singular pilis)?
Which of the following is the best description of pili (singular pilis)?
- Extracellular protein rods (correct)
- Gas-filled intracellular bodies
- Intracellular protein scaffolds that support the cell membrane
- Long polysaccharides that extend from the outer membrane
Which of the following could be used as a terminal electron acceptor by a bacterial cell that obtains energy by oxidizing nitrite (NO2-) to nitrate (NO3-)?
Which of the following could be used as a terminal electron acceptor by a bacterial cell that obtains energy by oxidizing nitrite (NO2-) to nitrate (NO3-)?
Which of the following would be an appropriate description of the cell described: A bacterial cell that obtains energy by oxidizing nitrite (NO2-) to nitrate (NO3-)
Which of the following would be an appropriate description of the cell described: A bacterial cell that obtains energy by oxidizing nitrite (NO2-) to nitrate (NO3-)
This question is about endospores. Which of the following is NOT correct?
This question is about endospores. Which of the following is NOT correct?
Which of the following traits is NOT seen in 'enteric bacteria' (Enterobacteria, ex: Escherichia coli)?
Which of the following traits is NOT seen in 'enteric bacteria' (Enterobacteria, ex: Escherichia coli)?
Which of the following is NOT correct?
Which of the following is NOT correct?
Which of the following features would you expect to find in a member of Domain Archaea?
Which of the following features would you expect to find in a member of Domain Archaea?
In Eukaryotic algae that obtained their plastids by secondary endosymbiosis, what was the evolutionary origin of the innermost of the membranes surrounding the plastid?
In Eukaryotic algae that obtained their plastids by secondary endosymbiosis, what was the evolutionary origin of the innermost of the membranes surrounding the plastid?
The diagram (think of the box) shows a transverse section of the frustule of a diatom (Bacillariophyta). Which of the following correctly labels the components 'A', 'B' and 'C'
The diagram (think of the box) shows a transverse section of the frustule of a diatom (Bacillariophyta). Which of the following correctly labels the components 'A', 'B' and 'C'
This question is about the life cycle of Apicomplexa (members of the genus Plasmodium, the causative agent of malaria). Which of the following is the life-cycle stage produced via meiosis?
This question is about the life cycle of Apicomplexa (members of the genus Plasmodium, the causative agent of malaria). Which of the following is the life-cycle stage produced via meiosis?
Which of the following occurs during 'conjugation' in typical ciliates?
Which of the following occurs during 'conjugation' in typical ciliates?
Which of the following groups of Fungi would normally have septate hyphae?
Which of the following groups of Fungi would normally have septate hyphae?
this is a question about the life cycle of (most) red algae. Which of the following is diploid?
this is a question about the life cycle of (most) red algae. Which of the following is diploid?
Which of the following best describes the thallus of Macrocytis sporophytes?
Which of the following best describes the thallus of Macrocytis sporophytes?
which of the following represents a monophyletic group of organisms?
which of the following represents a monophyletic group of organisms?
which of the following is the best description of the makeup of peptidoglycan?
which of the following is the best description of the makeup of peptidoglycan?
Where do you find lipopolysaccharides (LPS)?
Where do you find lipopolysaccharides (LPS)?
Which of the following best describes the bacterial flagellum?
Which of the following best describes the bacterial flagellum?
This question is about typical endospores. Which of the following is correct?
This question is about typical endospores. Which of the following is correct?
Which of the following produces oxygen (o2) as a waste product during photosynthesis?
Which of the following produces oxygen (o2) as a waste product during photosynthesis?
Which of the following is most correct? 'The standard cell membrane lipids of Archaea..."
Which of the following is most correct? 'The standard cell membrane lipids of Archaea..."
Which of the following is most correct?
Which of the following is most correct?
Which of the following is the most typical number of membranes surrounding the plastid of a 'secondary alga'?
Which of the following is the most typical number of membranes surrounding the plastid of a 'secondary alga'?
In 'secondary endosymbiosis', what was the endosymbiont?
In 'secondary endosymbiosis', what was the endosymbiont?
This question is about the diatom frustule. When are 'valves' made?
This question is about the diatom frustule. When are 'valves' made?
Which of the following occurs before/during binary fission (asexual reproduction) in typical ciliates?
Which of the following occurs before/during binary fission (asexual reproduction) in typical ciliates?
From the following options, which best describes when the endospore's cortex is synthesized (ex: in Bacillus)?
From the following options, which best describes when the endospore's cortex is synthesized (ex: in Bacillus)?
which of the following is most correct? The standard cell membrane lipids of Archaea...
which of the following is most correct? The standard cell membrane lipids of Archaea...
This question is about bacterial flagella. Which of the following is NOT correct?
This question is about bacterial flagella. Which of the following is NOT correct?
Which of the following forms a ring around the middle of a bacterial cell?
Which of the following forms a ring around the middle of a bacterial cell?
From the following choices, what would you call a cell that oxidizes sulfur (S) to obtain energy and converts CO2 into new organic molecules for building new biomass?
From the following choices, what would you call a cell that oxidizes sulfur (S) to obtain energy and converts CO2 into new organic molecules for building new biomass?