B. Steroid hormone
This is because most hormones are steroids, that send long distance signaling throughout your body.
Answer:
No, they are not. The concept of human races appears to be solidly grounded in present-day biology and our evolutionary history. But if you asked that conference of geneticists to give you a genetic definition of race, they wouldn’t be able to do it. Human races are not natural genetic groups; they are socially constructed categories. Genes certainly reflect geography, but unlike geography, human genetic differences don't fall along obvious natural boundaries that might define races.
Answer:
thank u.......................
Dhdhdjdjcjfjfhsjcnfjckfjsjxkvkfkdkvkfksjxjdf
