Place the following events in the correct chronological order, from oldest to most recent. A. synthesis of organic monomers
B. The Cambrian explosion of plants and animals
C. formation of �protocells�
D. prokaryotes dominate earth
E. synthesis of organic polymers
F. evolution of the first eukaryotic organisms

i think that the best answer would be c.

tell me if im wrong : )

answer; a male inherits only one allele of the x-linked gene controlling hair color;

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.