<span>The lac operon constitutes all of these but promoter. The correct option among all the options that are given in the question is the second option or option "B". The pther choices in the question are incorrect and can be neglected. I hope that this is the answer that has come to your help.</span>
Answer:
amino acid because genetic code sequences of bases in DNA
The answer is in the image attached.
Hope this helps!
<em><u>The 3 parts of the nucleotide are sugar, phosphate, and nitrogen base.</u></em>