a eukaryotic transcription unit that is 8,000 nucleotides long may use 1,200 nucleotides to make a protein consisting of approximately 400 amino acids. which of the following statements best explains this fact? question 3 options: there is redundancy in the genetic code. many nucleotides are needed to code for each amino acid. there are termination exons near the beginning of the mrna. many noncoding stretches of nucleotides are present in eukaryotic dna.