Which element is found in nucleic acids but not in proteins?

a. carbon
b. hydrogen
c. nitrogen
d. phosphorus

answer; ///i believe that the correct answer is (d); ///

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.