USABO Exam Questions and Answers
Hydroxyl Group - Answer -OH, polar
Carbonyl Group - Answer C=O, polar
Carboxyl Group - Answer -COOH, polar
Amino Group - Answer -NH2, polar
Phosphate Group - Answer -OPO3^2-, polar
Methyl Group - Answer -CH3, non-polar
Carbohydrates - Answer Broken down to glucose to provide energy. Hydrocarbon
skeletons.
Starch - Answer A storage polysaccharide in plants consisting entirely of glucose.
Glycogen - Answer An extensively branched glucose storage polysaccharide found in
the liver and muscle of animals; the animal equivalent of starch.
Cellulose - Answer A substance (made of sugars) that is common in the cell walls of
many organisms.
Chitin - Answer A structural polysaccharide, consisting of amino sugar monomers,
found in many fungal cell walls and in the exoskeletons of all arthropods.
Lipids - Answer Energy-rich organic compounds that are hydrophobic, such as fats, oils,
and waxes, that are made of carbon, hydrogen, and oxygen.
Unsaturated fatty acid - Answer A fatty acid possessing one or more double bonds
between the carbons in the hydrocarbon tail. Such bonding reduces the number of
hydrogen atoms attached to the carbon skeleton. Present in fish and plants as a liquid.
Saturated fatty acid - Answer A fatty acid in which all carbons in the hydrocarbon tail are
connected by single bonds, thus maximizing the number of hydrogen atoms that can
attach to the carbon skeleton. Present in animals as a soild.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller mereka. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.