What is the substrate for a antigen and b antigen synthesis?

Is the smallest biological structural units of the body

Which is a method that can people manage weight in a healthy manner? relying on diet pills tracking caloric intake limiting the variety of food choices participating in the latest fad diet

Isabel wants to sign up with the online social network teenbook, which she heard about from her friends at school.the teenbook site asked isabel for some personal information to complete her registration.in addition to her full name, teenbook asked for the name of her school, the city where she lives, her age, and her favorite foods.what is the only information that isabel should give to best ensure her safety?