Nathan, a 60-year-old, reminisces about his times in los angeles. he fondly remembers the times he spent as a teenager selling newspapers and hotdogs for a living. he also reminisces of the numerous encounters he had with some of the great hollywood stars in the city. according to erikson, nathan is most likely at the stage of life.

In the given case, Nathan is most likely to be at the Integirty vs Despair stage of his life.

It is the eighth and the ultimate stage of Erikson's theory of psychosocial development. This stage starts at about he age of 65 abd terminates at death. Erikson's theory indicates that people go through eight different developmental stages as they modify and grow through life.

hydroxyl -oh

alcohols, always polar, can form hydrogen bonds with h2o molecules

carboxyl -cooh  

cargoxylic acids, has acidic properties which is a source of hydrogen ions, found in cells in ionized for with a charge of oh-1

carbonyl > co

ketone if within skeleton, aldehyde if group is at the end of skeleton, k & a may be structural isomers, it determines 2 sugars (ketose & aldose)

amino -nh2

amines, acts as a base, it can pick up h+ ions from surrounding solution, ionized with charge of 1+

methyl ch2

addition to rna/dna affects and gene expression

phosphate -opo3 ²⁻

organic phosphates, contributes to negative charge to, molecule that it is a part of, and potential to react with h20

sulfhydryl -sh

thiols, cross-linking stabilize the protein, and it is structure

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle