1.2: Elements of Life

What are the 3 reasons living systems need energy?

1) Living system follow the laws of energy

2) Living systems need a constant input of energy to grow, reproduce, and maintain organization

3) Living systems mainly use the energy stored in chemical bonds

Which elements are found in all classes of macromolecules?

Carbon(found in carbs, proteins, nucleic acids, and lipids)

Nitrogen is found in which classes of macromolecules?

proteins and nucleic acids

Phosphorus is found in which classes of macromolecules?

nucleic acids and lipids

What can carbon be used to create?

carbon skeletons