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Organic Chemistry Quiz Example Questions
1. Identify the inorganic molecule(s).
a. protein
b. fat
c. carbohydrate
d. vitamin
e. mineral
f. water
g. 4,5,6
h. 5,6
2. Glucose is a...
a. polysaccharide
b. dipeptide
c. monosaccharide
d. fatty acid
e. polypeptide
3. Peptide bonds link amino acids together to form polypeptides.
True
False
4. Which is the only example an organic molecule that makes sense based on what you know about carbon and its bonds. Assume that all numbers are subscripts.
(Hints: If you don't know what a subscript is, get a dictionary, because you should. Drawing out the molecule with its bonds can help you think about this question. This quiestion is not about memorizing chemichal structures. It is a "thinking question".)
a. CH3-CH2-CH2-CH2
b. CH3-CH2-CH1-CH
c. CH3-CH2-CH2-CH2-CH3
d. CH2-CH2-CH-CH-CH2-CH2
5. The "energy currency" used within cells is called:
a. Euro
b. adenosine triphosphate (ATP)
c. adenosine monophosphate (AMP)
d. ribose
e. deoxyribonucleic acid (DNA)
6. An enzyme is primarily composed of:
a. carbohydrate
b. protein
c. nucleic acid
d. lipid
7. The pairing of nitrogenous bases make up the "rungs" of the DNA "ladder". Which base, or bases can form hydrogen bonds with guanine?
a. thymine
b. uracil
c. guanine
d. adenine
e. cytosine
8. If you were a carbon atom, what would make you more stable, less reactive...overall, very content?
a. If some other atoms would get together with me and share 4 additional electrons. (I'll share mine!)
b. If some other atoms would get together with me and share 3 additional electrons. (I'll share mine!)
c. If some other atoms would get together with me and share 2 additional electrons. (I'll share mine!)
d. If some other atoms would get together with me and share 5 additional electrons. (I'll share mine!)
e. I don’t like to share.
9. What statement is NOT true regarding organic chemistry?
a. It is the study molecules that have carbon-hydrogen bonds, both those made by living things and those synthesized in laboratories.
b. Organic molecules are vital in the metabolic reactions of living organisms.
c. It is the study of minerals.
d. It includes the study of carbohydrates, amino acids, nucleic acids and lipids.
10. Water is considered (choose the BEST answer):
a. a compound
b. a molecule
c. an atom
d. both a & b
e. none of the above
11.Which molecule carries the most energy?
a. ADP
b. ATP
c. AMP
12. Which of the following could be a polymer of nucleotides?
a. ATP
b. DNA
c. wax
d. polysaccharide
e. polypeptide
13. Secondary structure of protein consists of:
a. a chain of amino acids linked by peptide bonds
b. both alpha helices and beta pleated sheets together in the same molecule
c. either B-pleated sheets of alpha-helix structure
d. more than one protein molecule together
14. A fat with kinks in its fatty acid tails is considered
a. unsaturated
b. denatured
c. saturated
d. quaternary structure
15. The type of lipid molecules that are polar and spontaneously arrange in a lipid bilayer are:
a. proteins
b. fats
c. waxes
d. phospholipids
16. Hydrolysis is a reaction in which the removal of water from two separate molecules results in one larger molecule.
True
False
17. Some carbohydrates function in energy storage others in an organisms structure.
True
False
18. Proteins are synthesized by linking amino acids together with _______ bonds.
a. ionic
b. ester
c. peptide
d. disulfide
Genetics Sample Science Tests Organic Chemistry
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