What are the three functions of the trna molecule? a. the trna molecule carries an amino acid, associates with mrna molecules, and replicates dna. b. the trna molecule transcribes dna, associates with rrna molecules, and synthesizes activating enzymes. c. the trna molecule carries an amino acid, associates with mrna molecules, and binds to one of three sites on the large subunit of a ribosome. d. the trna molecule transcribes, translates, and replicates the dna. e. the trna molecule carries an amino acid, associates with rrna molecules, and binds to one of three sites on the large subunit of an mrna molecule?