To identify the host cell that has taken up the gene of interest
<span>In this guide to fast profits, Stephen Bigalow outlines his approach on how he became the successful businessperson he is today. HIs proprietary methods for evaluating assets and reading market trends are unmatched and are sure to lead to profitability for you and your company.</span>
Answer: they have to maintain homeostasis, so they remove waste to do so..
