The answer is; A
The operator site is usually associated with the promoter region of the operon. This region is bound by a repressor. The repressor acts as a physical barrier so the RNA polymerase does not bind to its promoter, or even if it binds, does not proceed to transcribe the genes.
Answer:
physichal is like ripping paper chemical change is like boiling an egg or burning a log or rusting nails the atoms and chemical strains change
Explanation:
Hey there!
the correct answer choices would be - B, C, D.
Hope this helps!
Carbon levels will go up because trees store carbon
