What characteristic do all members of Eukarya have that members of Eubacteria do not have?

What happens when a magniseum ion ia atracked to a chlrene ion

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?

Aplant with dark red flowers is crossed with a plant with white flowers. all of the offspring have dark red flowers with white spots. the alleles got flower color in this plant are both dominant both recessive codominant incompletely dominant