When is the only time that you cannot diffuse your responsibility in a given situation?

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

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?