In a DNA sample, 25% of the bases are Adenine (A). What percentage of the bases in this sample are Cytosine (C)

carbon

explanation:

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

sounds like the answer you're looking for is spores.