If all cells in a multicellular organism have the same set of dna what accounts for the differences among different types of cells in a multicellular organism

Aresearcher is studying the science of attractiveness and asks volunteer test subjects to rank what trait they find most attractive in a person what type of variable is the dependent variable in this experiment

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.