In 1953 James Watson, and Farncis Crick introduced DNA into the world.
Mitochondria is were respiration takes place in the cell. In muscle and liver cells a lot of mitochondria is needed because they require a lot of energy.
Genetic code controls cell activity and consequently some characteristics of the organism.
Chromosomes are made from DNA. Genes are short sections of DNA. Each gene is a set of coded instructions for making a particular protein.
The cell's …