A molecule of DNA was analyzed and found to contain 18% guanine. What is the amount of: (Cytosine: Adenine: Your answer

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Cytosine: 32%

Adenine: 32%

Thymine: 18%

Explanation:

% purines= % pyrimidines

Therefore, the percent of guanine and adenine should add up to 50%, where the percent of cytosine and thymine should also add up to 50%

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.