You have isolated a particular virus and have found that the amount of thymine present in its double stranded dna is 23%. based on that knowledge, what can you predict to be the percentage of guanine present in the same sample? 23% 46% 27% 54%

The Answer Is 27% . . . . . . . . . . . . .  The dots are so I can post the answer, because without a long reply I can't answer.

27% .  

Explanation:

A (adenine) pairs with T (thymine) and has the same percentage. C (cytosine) pairs with G (guanine) and they both have the same percentage.  In this case, the percentage of T (thymine) is 23%.  So A (adenine) will also have 23%. This leaves the remaining percentage at 54% (100-46).  So G and C will have 27% each (totaling 54%).

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.