HURRY WILL GIVE BRAINLIST!! 1. In the central principal of biology information flows from DNA to RNA to proteins. Briefly describe two places on this flow of information that gene expression can be altered in eukaryotic cells.

2. Describe what happens in the gene expression of the bacteria found in the digestive system when a person that is lactose intolerant eats a bowl of ice cream. Be sure to use vocabulary words from this unit in your answer.

3. Since 1978, scientists used a specific biotechnology to produce a medicine used to treat diabetes. Identify this specific technology and describe how is used in medicine. Include information on why a gene from one organism can be expressed by another organism.