The science of food and how the body uses it in health and disease is called g

The nutrition is referred to the study of the food. the nutrition sciences determine the nutritional value of the food and the effect of food on the health of an individual.

The nutrition also deal with the dietary intake of any kind of food as well as the effect of excess or less intake of the nutrients on the health and diseases. It also deal with the diet,which one should take or should not take in order to remain healthy.

So, the correct answer is nutrition.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.