he lac repressor and the pur repressor are homologous proteins with very similar three-dimensional structures, yet they have ifferent effects on gene expression. Select all the ways in which the gene-regulatory properties of the lac repressor and the pur repressor differ. The E coli genome contains only a single lac repressor-binding region, whereas it has many sites for the pur repressor. The lac repressor can block transcription in the presence of guanine or hypoxanthine, whereas the pur repressor is inactivated in thcir presence. The lac repressor does not b

Now having familiarity with narcotics, describe why narcotics are attractive to users/abusers of this category of drugs; and in doing so discuss why and how heroin is not just used by those in the inner, urban city areas, but also by affluent or middle-class individuals.

Question 17  What are the most obvious signs of tardive dyskinesia in a client with schizophrenia? Question 17 options:   Oral movements and drooling   Drowsiness and lethargy   Muscular rigidity of the extremities   Spastic movements of the eyelids

Chapter 6 Body Composition The following are the videos you will need to watch for Chapter 6. **Take notes, create one paragraph per Video 1. Body Composition- Bing video https://voutube.com/watch?v=B6i|UOi8puk&feature=shares 2. Body What Happens To Your Body During Exercise https://youtube.com/watch?v=AnWLTXEOUn8&feature=shares 3. Drink Hot Water On An Empty Stomach - Health Benefits Of Water https://youtube.com/watch?v=2vXZaFUOkaQ&feature=shares 4. Body What the Science Behind Body Fat and Weight Loss https://youtube.com/watch?v=L4ID4Rsfcqg&feature=shares