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Pre-Test
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1
Molecules that have the same empirical formula but different structural formulas are called
A)isotopes.
B)isomers.
C)isobars.
D)None of the above.
2
Which of the following is organic?
A)sulfuric acid
B)copper sulfate
C)saltwater solution
D)lipid
3
Which one of the following is NOT a lipid?
A)neutral fat
B)phospholipid
C)polypeptide
D)testosterone
4
Which of the following is a polymer?
A)starch
B)protein
C)DNA
D)All of the above.
5
Which association is correct?
A)Nucleic Acid: RNA Protein:enzymes Lipid:insulin Carbohydrate:glucose
B)Nucleic Acid: DNA Protein:insulin Lipid:testosterone Carbohydrate:cellulose
C)Nucleic Acid: Enzymes Protein:insulin Lipid:testosterone Carbohydrate:glucose
D)Nucleic Acid: RNA Protein:enzymes Lipid:cellulose Carbohydrate:glycerol
6
Heat shock proteins ________.
A)act as chaperone proteins
B)aid in repairing damaged proteins
C)are a kind of regulatory protein
D)All the above are correct.





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