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.
The best and most correct answer among the choices provided by your question is the first choice or letter A.
<span>It is carrying arginine and will match with a CGU codon on the mRNA.</span>
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Answer:
Oil, Plastic, and Noise pollution.
Explanation:
Plastic I'm thinking is unsafe for the fish, that or oil
Can I maybe have brain list if I'm right? Sorry if I'm wrong...
Answer:
Double fertilization
Explanation:
The phenomenon of double fertilization is unique to flowering plants (i.e., angiosperms). Each pollen grain produces two male gametes (sperm cells), one of which fertilizes the egg to form the zygote, whereas the other sperm fuses with polar nuclei in the female gametophyte in order to form a triploid cell (3n) called endosperm. Subsequently, this endosperm will support embryonic growth by supplying storage nutrients and by serving as a mechanical barrier during seed development and germination.
