Though Science Fiction Has Produced Stories Like the Blob, We

Multiple Choice

Though science fiction has produced stories like The Blob, we do not see many large, single-celled organisms.Which is a reason for the limitation to cell size?

A) The difficulty of maintaining a continuous membrane around a large cell
B) The difficulty of reproducing a large cell
C) The difficulty of moving molecules rapidly within a large cell
D) The difficulty of DNA replication in a large cell
E) The difficulty of synthesizing proteins in a large cell