Biochemistry Part 3 - Macromolecules

Which macromolecule provides short term energy storage? (function)

• Lipids/Fats

• Nucleic Acids

• Proteins

• Carbohydrates

What are the monomers of all proteins called? (20 different kinds)

• Nucleotides
• Monosaccharides
• Amino Acids
• Glycerol and fatty acids

Which element is considered the central building block of all macromolecules since it can covalently bond four times?

• Iron
• Nitrogen
• Carbon
• Oxygen

What is the monomer of nucleic acids like DNA and RNA?

• glucose

• amino acids

• fatty acids and glycerol

• nucleotide

What is the monomer of lipids (fats, oils, and waxes)?

• glucose

• fatty acids and a glycerol backbone

• amino acids

• nucleic acids

Which elements are in a carbohydrate - "lowest ratio of elements"? 

Think: Carbo - Hydrate

• C H O
• C H O N
• C H O N P
• C H 2 O

What elements are in a lipid?

• C H O
• C H O N
• C H O N P
• CH2O

Which macromolecule provides long term energy storage, found in the cell membranes, and insulates the body? (Function)

• lipids
• proteins
• carbohydrates
• nucleic acids

Polymers are made up of chains of __.

• lipids

• monomers
• proteins
• None of these

Fats, oils, and waxes are classified as __.

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids