6anatomical differences between human and frog digestive system

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:

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?