Answer:D
Explanation:
Because The genetic code by which DNA stores the genetic information. The functional segments of DNA which code for the transfer of genetic information are called genes
all living things are composed of cells
cells are the basic units of structure and function in living things
all cells are produced from other cells
The enzyme pepsin functions with a very low pH of around 2. It is found in the stomach, with the acidity coming from the hydrochloric acid present there. it breaks proteins into amino acids.
The answer is two and four hope this helps
