Which of the following is NOT caused by H. Pylori?

Salmonella is:

Defenses of the GI tract against pathogens include ________.

Beginning an hour after death, the body will lose heat at an approximate rate of:

After providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), the first officer arriving at a crime scene should immediately:

Changes in the nucleotide sequence of a gene can influence _____________ of proteins.

Extra credit: In class, I mentioned that gene expression is a lot like a symphony/orchestra playing a song. What did I mean by this? 

DNA and RNA are chemically and structurally identical. 

RNA polymerase requires a primer to transcribe a strand of mRNA. 

Explain how combinatorial control of gene expression by the use of gene-specific enhances and activators allows for the fine-tuning of gene expression.