For the experiment, 3311 C. elegans were collected from stock cultures where NGM plates were seeded with 250 ul of OP50 (a source of nourishment) and reared in optimal growth conditions. What can be inferred about the experiment?
a) The C. elegans were grown under controlled conditions
b) The experiment involved the use of bacteria as a food source
c) The experiment aimed to study the growth of C. elegans
d) All of the above
