help me matching this plz..i have many but i want ur help with only this?

Question

Negative Control
Positive Control
Promoter
Enhancer
Operator
Operon

A. Binding sites for activator proteins
B. Noncoding sequence that makes where to begin transcription
C. When promoters and a set of operators control more than one gene
D. When regulatory proteins stop or slow gene action
E. When regulatory proteins promote or enhance gene action
F. Binding site for repressor

Answer 1

A. - Positive Control
B. - Promoter
C. - Operon
D. - Operator
E. - Enhancer
F. - Negative Control