Which factors may protect a young person from using a substance? Select all that apply.

seeing friends use the substance

being involved in many activities and organizations

seeing the substance used on TV

being self-confident

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)