If 15% of the nucleotides in a dna molecule contain guanine, what percentage of the nucleotides contain each of the other bases? explain your reasoning.

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?

How do disease caused by bacteria and disease caused by viruses react to antibiotics

Which nutritional supplement is correctly paired with the health issue it addresses? which nutritional supplement is correctly paired with the health issue it addresses? vitamin c supplementation prevent depression. calcium supplementation increases iq. vitamin e supplementation prevent birth defects. vitamin b12 can vegans maintain health?