1 What does the codon sequence on the mRNA strand determine? 
A The gene sequence of the DNA 
B The amino acid sequence of the polypeptide 
C The codon that is signaled 
D The signaling sequence 
2 What portion of the DNA is also known as a gene? 
A The coding sections 
B The non-coding sections 
C The mRNA strand 
D The polypeptide sequence