If one amino acid in a protein sequence is changed, what could happen? It could become a carbohydrate.
Normal bodily functions can change.
Proteins are so complex that one amino acid won't make a difference.

C. Proteins are so complex that one amino acid won't make a difference.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

biology is the study of life. it is the study of living organism.