Which of the following is true regarding the use of alcohol, tobacco, and other drugs? A. It can lead to addiction, especially if you start using it when you are young. B. It is OK as long as you do it at home.
C. It is legal as long as your parents know about it.
D. It can make you popular.

Group of genes that encode molecules found in all body cells, creating a biochemical “fingerprint” that serves as the “id” for cells so that they are marked as “self” a) deoxyribonucleic acid (dna) b) entry inhibitors c) major histocompatibility complex (mhc) d) non-nucleoside reverse transcription inhibitors (nnrtis)