10 Questions
What is the main sugar found in milk?
Lactose
What is lactose intolerance?
The inability to properly digest lactose
How is lactose intolerance addressed?
By avoiding lactose-containing foods
What are organic compounds?
Carbon-based molecules
How many covalent bonds can carbon share with other atoms?
Four
In organic chemistry, what is the term for the groups of atoms directly involved in chemical reactions?
Functional groups
What is the maximum number of electrons that can be held in the outer electron shell of an atom?
8
Which category of macromolecules are polymers made by stringing together many smaller molecules called monomers?
Carbohydrates
What is the simplest organic compound, which contains only carbon and hydrogen atoms?
Methane
What is the term for the reaction that links two monomers together and removes a molecule of water?
Dehydration reaction
Test your knowledge on the molecules of life, focusing on lactose, its digestion, and lactose intolerance. This quiz is based on PowerPoint® lectures created by Edward J. Zalisko for Campbell Essential Biology, Sixth Edition, Global Edition, and Campbell Essential Biology with Physiology, Fifth Edition, Global Edition.
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