Three vectors A, B, and C are related to one another such that 5A + 4B = 40C. A fourth vector D exists such that 20C + D = A. Determine an expression for D in terms of the vectors A and B. D =

Domain eukarya; kingdom plantae should be the answer.

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.

Lysosomes are considered  a digestive enzyme