Test 1 TTK

Chapters 1-4 Campbell Biology

Scientific method

hypothesis

controlled experiment

Evolution as the framework under which all biology makes sense

Natural Selection

• SPONCH

• Compounds, molecules

Atomic structure

Nucleus — P & N= Atomic Mass

P = Atomic number

Electrons — shells - # electrons per shell

Valence electrons

Isotopes

Bonding:

Ionic

Covalent, polar covalent

Water — properties

Hydrogen bonding

Hydrophobic vs hydrophilic

Solute vs solvent

pH scale — acids, bases

Functional groups

isomers

enantiomers

The carbon atom

Organic compounds

Lab Work