University of Toronto (U OF T ) • chem 210
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True or False: the amino acids serine and methionine both contain sulfur atoms. correct answer: false 
 
True or False: The following secondary structure shown below is an example of a beta-turn. correct answer: False 
 
True or False: The side chain of proline is bonded to the backbone nitrogen atom. correct answer: True 
 
True or False: The name of the molecule that binds to an enzyme is called the apoenzyme. correct answer: False 
 
True or False: An inhibitor that binds at the active si...
Which of the following monosaccharides is a ketose? 
 
Dihydroxyacetone 
Galactose 
Glucose 
Glyceraldehyde 
Idose correct answer: dihydroxyacetone 
 
When two carbohydrates are epimers: 
 
One is a pyranose, the other a furanose 
One is an aldose, the other a ketose 
They differ in length by one carbon 
They differ only in the configuration about one carbon atom 
They react differently with iodine correct answer: They differ only in the confirmation about one carbon atom 
 
 correct answ...
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. correct answer: False 
 
True or False: Biomolecules can have two or more different functional groups. correct answer: True 
 
True or False: The following functional group is an amine. 
 
C2H5NH2 correct answer: True 
 
True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. correct answer: False 
 
True or Fals...
Organic chemistry: correct answer: The study of carbon-containing compounds except elemental carbon (diamond, graphite, coal), CO2, CO, carbonates, and cyanides. 
 
Inorganic chemistry: correct answer: Studies the elements and everything else. The principle components of food, fuels, wood construction, and clothing are organic compounds. 
 
Octet rule: correct answer: A chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each a...
Choose the most CORRECT property of an organic compound. 
 
A) low boiling point 
B) high melting point 
C) conducts current 
D) flammable 
E) A and D correct answer: Answer: E) A and D 
 
A) Low boiling point AND 
D) Flammable 
 
Which of the following compounds will have double bond(s) in it? 
 
A) octane 
B) heptyne 
C) benzene 
D) A and C 
E) A and B correct answer: Answer: D) 
 
A)Octane AND 
C)Benzene 
 
What is the molecular formula of cyclohexane? 
 
A) C6H8
Three types of lipids correct answer: storage lipid(fat), structural lipids(membrane) and signaling lipids(hormaones) 
 
storage lipids are correct answer: triacyl glyceride 
 
structural lipids include correct answer: phospholipid, sphingolipid, glycolipids and steroids 
 
signaling lipids include correct answer: eicosonoids and steroids 
 
what are the core building blocks of lipids correct answer: fatty acids 
 
a fatty acyl chain is _ if it contains only single bonds, but _ if it has on...