Answer:
protein
Most genes contain the information needed to make functional molecules called proteins. (A few genes produce regulatory molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell.
I think it is skin cells and blood cells because sperm and egg cells are haploid, so they only have one copy. I’m honestly not 100% sure tho
I am pretty sure it's D) use of electrons focused by magnetic fields.
Sex (sexual reproduction), is the act of reproducing. Each species of animal and plant do it in a different way, and some just choose to do it by themselves. And yes, according to a good percent of the population, sex does feel good.