The sequence of bases in mRNA complements the sequence in the DNA template. Hope this helps :)
B) short because it has both t alleles and no T alleles
Endosymbiosis is an evolution theory which deals with how eukaryotic cells developed from prokaryotic organisms. Scientists believed that eukaryotic cells evolved from early prokaryotes, which are engulfed by the process of phagocytosis. Endosymbiosis impacted SURVIVAL ADVANTAGE on early eukaryotes.
B. The ability to respond to the environment good decision
Nucleus of eukaryote cells.
Hope this helps!
-Payshence