Since the midterm, I have studied ________.

• a lot and I feel confident!

• a little but I'm still confused

• not much

• not at all

Draw a condensed and skeletal model for C3H6

Which of the following is not a hydrocarbon?

• CH3

• C6H12O6

• C3H6

• C2H4

Will hydrocarbons dissolve in water?

• Yes, because they're polar

• Yes, because they're nonpolar

• No, because they're polar

• No, because they're nonpolar

Which of the following is the definition of a geometrical isomer?

• when a molecule has a chiral center that results in two nonsuperimposable images

• when the carbon backbone creates different chains and branches

• when an atom is positioned at a different point on a carbon chain

• when atoms are positioned either on the same side or opposite sides of a carbon double bond

Why are isomers important?

• Different isomers have different chemical effects

• Enzymes may only be able to bind to specific isomers

• Pharmaceuticals much consider potential isomers and their affect on the human body

• All of the above

Which macromolecule is not a polymer?

• Protein

• Carbohydrate

• Lipid

• Nucleotide

A _______ reaction connects monomers, while a ________ reaction breaks them apart.

• dehydration; hydrolysis

• hydrolysis; dehydration

• catalytic; analytic

The difference between saturated and unsaturated fats is that unsaturated fats:

• have a double bond

• do not have a double bond

• are higher energy

• are lower energy

Cells that are exposed to extremely cold conditions would have more _______ and _______ in their plasma membranes.

• saturated fats; unsaturated fats

• unsaturated fats; saturated fats

• unsaturated fats; cholesterol

• saturated fats; cholesterol