<span>The most appropriate choice of needle for someone of this size is a 1.5 in, 22 gauge
needle. It is important for the needle to be 22 gauge so that it is an appropriate thickness to be injected into the muscle tissue.</span>
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:
There are several reasons why it might be a good idea to write down your ideas and discoveries when you perform initial research on a topic. First, when you begin your research, you might get a lot of questions and doubts because you are not familiar with the topic. If you write these down, you are more likely to seek answers to these questions later on and gain a better understanding of them. Second, your initial ideas might not be all good, but they might lead you towards a good thesis. Writing them down ensures that these are not lost. Finally, by writing down your ideas and thoughts you actively engage with the subject, leading you to a better understanding of it.
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Explanation:
