Answer: Transcription - A
Explanation:
This problem is talking about the lac operon and the gene expression of lac operon. If the gene is turned off, then transcription, the generation of mRNA won't occur.
<span>Thoracentesis is not an approved procedure to inflate a collapsed lung. Thoracentesis, also called thoracocentesis and known as a pleural tap is used in the medical field as a procedure to remove air or fluid from the pleural space in the lung for diagnostic or therapeutic purposes.</span>
I think its a and b, but i dont know what kind of rock it is. my guess is a metamorphic or sedimentary.
Answer: The atoms in your body come from food, water, and air. No new atoms are created in your body. Sunshine is necessarily, so no new atoms from here.
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