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#Question id: 4945


Which is a defining characteristic that all protobionts had in common?

#11. Evolution and Behavior
  1. the ability to synthesize enzymes

  2. a surrounding membrane or membrane-like structure

  3.  RNA genes

  4.  a nucleus


Answer:- Option(s): 2


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#Question id: 19481

#12. Applied Biology

In cry toxin at amino acid at which position is not conserved

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#Question id: 19482

#12. Applied Biology

It has been proposed that the DNA-protein complex forms 

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#Question id: 19524

#12. Applied Biology

In the DNA-protein complex where central DNA core is surrounded by the N-terminal half of the Cry protein, while the C-terminal half of the protein 

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#Question id: 19525

#12. Applied Biology

CryI proteins are insecticidal to 

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#Question id: 19684

#13. Methods in Biology

Which of the following is used to measure the electrical activity of the heart?

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#Question id: 19685

#13. Methods in Biology

The P-waves of ECG indicates:

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