Hydroxyl, methyl, carbonyl, carboxyl, amino, phosphate, and sulfhydryl groups.
These groups play an important role in the formation of molecules like DNA, proteins, carbohydrates, and lipids.
Carboxyl abs Carbonyl help with Carbohydrates.
In the earliest stages of development, all four organisms have a knobby head, gill slits, and a tail. These similarities tell us that all four of these organisms have a common ancestor.
The hottest is the answer
