Chemistry of Life

Section 2-4

Section 2-3

Atoms:

Elements - only have 1 kind of atom. Pure substance

Isotopes - atoms that have more neutrons than protons/electrons. Someare radioactive.

The Chemistry of Life

Section 2-1

Nucleus ->

Chemical Compounds:

Chemical bonds: ->

Van derWaalsforces:<-

Carbon Compounds:- single, double, or triple bonds- links can go on infinitely

<-Macromolecules

4 organic compounds in living things:carbohydrates, lipids, nucleic acids, ' proteins

They all provide something for lifeNucleic Acids - DNA ' RNA ->

Reactants - enterProducts - result

Cells help regulate the enzymes