14. In the transfer of energy from the Sun to
ecosystems, which molecule is one of the first to store
this energy?
(1) protein
(3) DNA
(2) fat
(4) glucose

protein

Explanation:

I'm not sure if i fully understood your question but i'll go ahead and answer it .. The DNA molecule has the promotor region which is detected by the transcription factors that are responsible to start transcription ( and hence , unzipping the dna strands )