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#Question id: 18223


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

#11. Evolution and Behavior
  1. Archeozoic
  2. Proterozoic
  3. Paleozoic
  4. Cenozoic

Answer:- Option(s): 1


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#Question id: 319

#1. Molecules and their Interaction Relevant to Biology

London dispersion forces are attractive forces that arise due to

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#Question id: 320

#1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the

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#Question id: 322

#1. Molecules and their Interaction Relevant to Biology

A covalent bond is likely to be polar when ________.

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#Question id: 324

#1. Molecules and their Interaction Relevant to Biology

Why are hydrocarbons insoluble in water? 

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#Question id: 325

#1. Molecules and their Interaction Relevant to Biology

A true statement about hydrophobic interactions is that they:

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#Question id: 326

#1. Molecules and their Interaction Relevant to Biology

Dispersion force’s interaction energy is proportional to (take “r” as the distance between the two particles) ___________

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