In lac operon, the regulator gene codes for
Aporepressor
Corepressor
Inactive repressor
Active repressor
Which of the following is incorrectly paired
Chromosomes were seen first time by
Separation of the two chromatids of a chromosome takes place in mitosis during
In addition to the human genome sequence, draft or finished genome sequences existed for eight model organisms by $2002$ . Which of the following organisms are not the part of that group of eight model organisms?