Answer:
Griffith and Avery studied bacteria and mice. Their S and R experiment revealed that DNA stores and transmits genetic information from one generation of bacteria to another. Chromosomes consist of protein and DNA, but mainly DNA.
Explanation:
Mechanical digestions is usually associated with the mouth. You mechanically chew the food and saliva breaks it down. Chemical digestion occurs in the stomach where stomach acid breaks it down.
Nose, Mouth, Pharynx, Larynx, Trachea, Bronchi, Bronchioles, Lungs, Alveoli.
