Nucleic acids are very small, simple molecules. structural molecules that do not have a function other than support. composed of building blocks called nucleotides. sources of cellular energy. all of the above.

composed of building blocks called nucleotides.

Nucleic acids are small but not simple molecules. They are the most important biomolecules because of their several functions. They are composed of building blocks called nucleotides but not a source of cellular energy. 

what's the

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

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