Which activity is the most effective way to prepare for an emergency? taking a multiday CPR class reading an article about becoming a lifeguard browsing safety gear at a health fair talking with friends about a first-aid class

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)