Elements & Macromolecules in Organisms
Most common elements in living things are carbon,
hydrogen, nitrogen, and oxygen. These four elements
constitute about 95% of your body weight. All compounds
can be classified in two broad categories - organic and
Chapter 2 Review Sheet
1. DNA and RNA are examples of _nucleic acids_.
2. Carbohydrates and lipids both contain the elements _carbon_,
_hydrogen_, and _oxygen_.
3. Proteins are made of _amino acids_
4. _polynucleotides or nucleic acids_ are made of