The Proteomes of Eukaryotes Are More Complex Than Their Genomes

Multiple Choice

The proteomes of eukaryotes are more complex than their genomes, but this is not true of prokaryotes.Which is not a major reason for this difference?

A) Basic metabolism, such as glycolysis, differs in eukaryotes and prokaryotes.
B) Eukaryote genes can encode more than one protein.
C) Alternative splicing leads to different combinations of exons in eukaryotes.
D) Posttranslational modifications can lead to protein variants in eukaryotes.
E) Many proteins can be produced only by certain cells under certain conditions.