The lac repressor prevents the lac genes in the DNA of E. coli from being expressed most of the time. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
Answer:
Hello There!
Explanation:
The top of the pistil is the stigma. When mature the stigma is enlarged, and its surface is moist and sticky. The style is the middle portion of the pistil. It supports the sigma.
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animals body are organized
