Match column I with Column II

Column I	Column II
(a) Operators	(i) Site for initiation of transcription
(b) Promoters	(ii) Codes for any RNA or protein product other than a regulatory factor
(c) Structural genes	(iii) Regulate accessibility of promoter
(d) Regulator genes	(iv) Code for repressor

• A

   (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

• B

  (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)

• C

  (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

• D

  (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)