e. There are haploid, diploid, and triploid cells.
D. Asteroids vary greatly in size and are mostly made up stone, iron and nickel
Answer:
I believe your answer would be --
B.) They remove urine from the body.
Answer:
via hydrogen bonds; there are two between adenine and thymine and three between cytosine and guanine
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.
