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TLS Online TPP Program

#Question id: 20326


Which of the following is an auto inducer for Vibrio fischeri?

#Unit 4. Cell Communication and Cell Signaling
  1. Homoserine O-acetyltransferase 
  2. N-acyl homocysteine lactone molecules 
  3. N-acyl homoserine lactone molecules
  4. Homoserine dehydrogenase 

Answer:- Option(s): 3


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TLS Online TPP Program

#Question id: 18073

#Unit 11. Evolution and Behavior

During which geological period was there an first definite evidence of land plants and algae dominant of many plants?

TLS Online TPP Program

#Question id: 18223

#Unit 11. Evolution and Behavior

The origin of indirect evidence of life, no recognizable fossils except bacteria (microfossils) was during which geological eras?

TLS Online TPP Program

#Question id: 18224

#Unit 11. Evolution and Behavior

Proterozoic era characterized by___
a) Origin of life
b) Fossils of blue green algae
c) Most invertebrate evolved
d) First gymnosperm
e) Abundance of marine algae

TLS Online TPP Program

#Question id: 18598

#Unit 11. Evolution and Behavior

First forest plants appeared in which geological period time scale?

TLS Online TPP Program

#Question id: 18597

#Unit 11. Evolution and Behavior

Rapid development of the flowering plant appeared in which geological era?

TLS Online TPP Program

#Question id: 18596

#Unit 11. Evolution and Behavior

First toothed birds appear in which geological time periods?

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