Source: Revised GRE PDF 1st Ed. Section 4: Verbal; #17 (p. 66)

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The macromolecule RNA is common to all living

The macromolecule RNA is common to all living beings, and DNA, which is found in all organisms except some bacteria, is almost as. Blank: comprehensive, fundamental, inclusive, universal, significant, ubiquitous

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Gravatar Chris Lele, Magoosh Tutor

Sep 26, 2012 • Comment

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