The blob operon produces enzymes that convert compound A into compound B. The operon is controlled by regulatory gene S. Normally, the enzymes encoded by the operon are synthesized only in the absence of compound B. If gene S is mutated, the enzymes are synthesized in the both the presence AND absence of compound B. Gene S must encode a(n):
a. inducer.
Answer:
aortic arches (earthworms)
Explanation:
Earthworms vessels link together
False it affects everyone and anything. Global warming for example my friend :/
