Biomolecules

What do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?

• They are lipids made of fatty acids.
• They are proteins made of amino acids.
• They are nucleic acids made of nucleotides.
• They are carbohydrates made of simple sugars.

Which group of organic compounds contains fatty acids?

• Carbohydrates
• Lipids
• Nucleic Acids
• Proteins

Which of the following answers links a biomolecule with one of its proper functions?

• Lipids - Store genetic information
• Carbohydrates - short term energy storage
• Nucleic Acids - Catalyze reactions
• Proteins - long term energy storage

Peptide bonds in proteins can be broken down by the enzyme peptidase. Adrian orders a hamburger and French fries for lunch. He adds cheese and mayonnaise to his hamburger and then sits down to eat lunch with his friends. Which structure would most likely result from the action of peptidase in Adrian’s stomach?

• Lipids
• Glucose
• Nucleic Acid
• Amino Acid

How many sugar-phosphate strands exist in each RNA molecule?

• 4
• 2
• 1
• None

Which organic macromolecules are composed of chains of amino acids that join to form the structural components of organisms.

• Carbohydrates
• Proteins
• Amino Acids
• Lipids

This diagram shows the molecular structure of glucose.

Simple sugars like glucose can be used to make larger organic molecules. Identify a larger molecule made from simple sugars.

• Carbohydrates
• Lipids
• Monosaccharides
• Amino Acids

The molecule in the diagram plays what role in the body?

• Releasing Energy
• Forming part of the sugar-phosphate backbone of DNA
• Storing Fat
• Controlling blood glucose levels

The monomers used to synthesize proteins are called ____________.

• Nucleotides
• Fatty Acids
• Amino Acids
• Sugars

The four most common elements found in biomolecules are:

• Carbon, Nitrogen, Phosphorus, Bromine
• Sulfur, Nitrogen, Iron, Carbon
• Sulfur, Phosphorus, Carbon, Oxygen 
• Carbon, Oxygen, Nitrogen, Hydrogen