AP Biology Review: Unit 1 Chemistry of Life

Organic chemistry is a science based on the study of

• functional groups.
• vital forces interacting with matter.
• carbon compounds.
• inorganic compounds.

Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?

• Hydrolysis only occurs in the urinary system, and dehydration reactions only occur in the digestive tract.
• Hydrolysis creates monomers, and dehydration reactions break down polymers.
• Dehydration reactions can occur only after hydrolysis.
• Dehydration reactions assemble polymers, and hydrolysis breaks down polymers.

This is a picture of a?

• Amino Acid
• Nucleic Acid
• Lipid
• Polysaccharide

What are the monomers of carbohydrates?

• Nucleotides
• Amino Acids
• Fatty Acids
• Monosaccharides

What macromolecule makes up the cell membrane's lining?

• Saturated Fatty acid chains
• Phospholipids
• Polypeptide chains
• Cellulose polysaccharide Chains

What element is found in proteins and nucleic acids but not carbs nor lipids?

• carbon
• hydrogen
• nitrogen
• oxygen

How does your body use lipids?

• Primary source of energy
• energy storage and insulation
• speeds up chemical reaction
• defense

Which of the 4 major macromolecules provides a quick burst of energy?

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Which term includes all others in the list?

• monosaccharide
• polysaccharide
• starch 
• carbohydrate

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

• less polar
• more polar
• less dense
• more dense