Niemann-Pick, inherited in what way? enzyme deficiency? accumulates what?
a) Autosomal recessive; Sphingomyelinase; Sphingomyelin
b) Autosomal dominant; Glucocerebrosidase; Glucocerebroside
c) X-linked recessive; α-L-iduronidase; Heparan sulfate
d) Autosomal recessive; Hexosaminidase A; GM2 ganglioside