A motor is used to raise a lift of mass 200 and 4 passengers each of whom has an average mass of 65 kg. They wish to go to the third floor, which is 12 m above them, If the motor is 45% efficient, what input of electrical energy is required? Give your answer in kJ (Show Work)

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.

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