Why is rna smaller than dna

Which sentence best expresses the differing opinions of these two book reviews?

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell