Exercise: Micro Organisms

Questions for: Micro Organisms

Carl Woese and his colleague are best known for establishing
A:
the five kingdom system
B:
the three domain system
C:
the prokaryote-eukaryote system
D:
the plant-animal system
Answer: B
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One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?
A:
Photoautotrophy
B:
Photoheterotrophy
C:
Chemoheterotrophy
D:
All of the above
Answer: D
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In the three domain system of classification, the traditional bacteria are placed in the
A:
eukarya
B:
archaea
C:
eubacteria
D:
none of these
Answer: C
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Archeal cells usually do not contain peptidoglycan, rather contain pseudo-peptidoglycan which is mainly composed of
A:
N-acetylmuramic acid and L-amino acids
B:
N-acetylmuramic acid and D-amino acids
C:
N-acetyltalosaminuronic acid and D-amino acids
D:
N-acetyltalosaminuronic acid and L-amino acids
Answer: D
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Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types?
A:
Signature sequence
B:
Signal sequence
C:
Shine-Dalgarno sequence
D:
Amino acid sequence
Answer: A
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