We have Protons and Neutrons in the nucleus of an atom, Protons are positively charged, neutrons are non-charged particles.
Each person has a unique DNA profile. To determine paternity, only a very limited amount of tissue is used to match the DNA profile of the potential father to that of the child. The genetic test performed to determine whether a tissue sample belongs to a specific suspect needs a more extended tissue sample.
Biochemical- apart of the second defense system
Scientists use fossils to learn about organisms' lives and evolutionary relationships, to understand geological change, and even to locate fossil fuel reserves.
The appropriate answer is c. whole-wheat bread. Honey is a rich source of carbohydrate and corn oil margarine is a good source of fats. Farm-raised salmon is a good source of protein. Whole wheat used to make bread is a plant derivative rich in cellulose which is the main component of fiber. Cellulose can only be found in plant cell walls.
