The following question refers to this phylogenetic tree, depicting the origins of life and the three domains. Horizontal lines indicate instances of gene or genome transfer.

A possible phylogenetic tree for the three domains of life.

If the early history of life on Earth is accurately depicted by the figure, then which statement is most in agreement with the hypothesis proposed by this tree?

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#Question id: 12683

#Unit 13. Methods in Biology

Which is the full complement of DNA from an Organism, carrying all the information needed to specify the structure of every protein?

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#Question id: 12684

#Unit 13. Methods in Biology

Many techniques used in molecular biology mimic in some way the natural functions such as_________.

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#Question id: 12685

#Unit 13. Methods in Biology

The polarities of the two strands of the molecule are in opposite direction and thus DNA is described as ________

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#Question id: 12686

#Unit 13. Methods in Biology

The two polynucleotide chains in DNA are usually found in the shape of_____

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#Question id: 12687

#General Aptitude

 If the diagonals of two squares are in the ratio of 2 : 5, their area will be in the ratio of

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#Question id: 12688

#General Aptitude

The perimeter of five squares are 24 cm, 32 cm, 40 cm, 76 cm and 80 cm respectively. The perimeter of another square equal in area to sum of the areas of these squares is :