metamorphic, igneous, and sedimentary
the three roles of rna in protein synthesis. messenger rna (mrna) is translated into protein by the joint action of transfer rna (trna) and the ribosome, which is composed of numerous proteins and two major ribosomal rna (rrna) molecules.
the speaker and transformer are the devices that consume the electrical energy and release the sound as an output in this process the phenomena which are acquired is electromagnetic induction. the sound energy can also be converted into the electrical energy but fir this process high temperature and high frequency is required. the sound energy is important as it informs us about the character, place and time.