The function of the eardrum in the middle ear is to
a. carry the sound energy to the brain.
b. vibrate with the frequency of the received sound.
c. collect the sound waves.
d. amplify the received sound.

What is the purpose of transcription? a. to copy the nucleotide in dna b. to form rna molecules from dna c. to produce a nucleic acid sequence from an amino acid sequence d. to link amino acids together to form stands of protein