The simplest organic molecules, consisting of hydrogen and carbon, are known as: (Hint: They form the “skeleton” to which functional groups are attached to form different biological molecules.)

___________ molecules are attracted to water. 

Bulk transport __________. 

According to the octet rule ___________.

The three domains in which all living things can be categorized are _____________.

During photosynthesis, solar energy is used to convert ___________________ into glucose and oxygen.

Imagine you placed a drop of green food coloring into a beaker of pure water.  You return to the beaker an hour later to discover that the dye molecules are evenly dispersed throughout the container. This type of movement is called ___________.

The active site of an enzyme ___________________.

True or False: According to the octet rule, atoms are least stable with 8 electrons in their valence orbital. 

Oven cleaner has a pH of about 13. This means that it has fewer hydrogen ions than the same amount of water and would therefore, be considered a(n) __________.