<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>
Actually it depends because at my school if we get hints wrong we get deducted points, though at other schools it might be different. So it depends what your school does.
Hope this helps.
(If it doesn't, I am sooooooooooooooooooooooooooooooooooooooooooooooooo sorry.)
I believe the correct one is the 2nd option .
The correct order of sequence is B-A-C.
Anaphase begins with separation of the duplicated centromeres of each pair of sister chromatids. The daughter chromosomes starts moving toward opposite poles due to the action of the spindle fibres. As this stage chromosomes appear like V or J shape. At the end of anaphase, a complete set of chromosomes has gathered at each pole of the cell.
