What determines the specificity an antibody has for its antigen?

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real

True or false most plants are c3 plants, because they use molecules of carbohydrate known as g3p in their photosynthesis process.