The answer is 2 I did the test and got it right
Answer:
trees
Explanation: its the only part of an ecosysstem that is living
RNA polymerase binds to the lac promoter and begins transcribing
the stretch of DNA to messenger RNA.
Therefore, in other words, the stretch of DNA is expressed. The DNA sequence of
the lac promoter 'signals' where the RNA
polymerase will bind and where transcription
will begin. Promoters are found upstream of a gene to be transcribed.
Both are organs ur body cant live without thats why when ppl shoot they aim for the heart and/or brain they are vital organs
