__________ are the parts of the DNA chains that code for specific proteins.
A. Introns
B. Genomes
C. Exons
D. Chromosomes
Question 2
Some persons may develop bloody diarrhea with hemolytic anemia and kidney failure from eating incompletely cooked hamburgers. Which organism is responsible for the illness?
A. Salmonella
B. Shigella
C. Toxin-producing E. coli
D. Pathogenic clostridium