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Humans store their polysaccharides in the form of ___________.


A) lactose
B) starch
C) glycogen
D) glucose
E) cellulose

F) All of the above
G) A) and D)

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Which of the following is not an organic molecule?


A) CaCO3
B) CĀ­6H12O6
C) C256H381N65O79S6
D) C18H34O2
E) CH4

F) A) and E)
G) A) and B)

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How does DNA differ from RNA?


A) DNA is in plants, RNA is found in animals.
B) DNA is comprised of a double strand, RNA is a single strand.
C) DNA is made from amino acids and RNA is made from nucleotides.
D) DNA is used by all living things, RNA is used only in plants.
E) DNA is seen in animals, while RNA is seen in all living things.

F) A) and B)
G) C) and E)

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Which of the following would describe a polypeptide?


A) fatty acids joined to glycerol by hydrolysis reactions
B) glucose molecules joined by dehydration synthesis reactions
C) nucleotides broken by hydrolysis reactions
D) amino acids joined by dehydration synthesis reactions
E) a repeated sequence of carbon and hydrogen atoms

F) None of the above
G) All of the above

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Testosterone is a lipid-based hormone; insulin is a ______-based hormone.


A) saccharide
B) protein
C) steroid
D) carbohydrate
E) nucleic acid

F) C) and D)
G) C) and E)

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Glycogen is a ________ made of many __________.


A) simple sugar; amino acids
B) peptide; amino acids
C) polymer; glucose molecules
D) protein; fatty acids
E) nucleic acid; nucleotides

F) All of the above
G) A) and B)

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Which of the following levels of a protein are susceptible to denaturation?


A) primary and secondary structures
B) secondary and tertiary structures
C) tertiary and quaternary structures
D) primary and tertiary structures
E) primary and quaternary structures

F) A) and C)
G) B) and C)

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Which functional group acts as an acid when placed in solution?


A) -OH
B) -NH2
C) -SH
D) -COOH
E) -PO4

F) B) and C)
G) All of the above

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The four main categories of organic macromolecules are


A) monosaccharides, disaccharides, trisaccharides, and polysaccharides.
B) proteins, DNA, waxes, and sugars.
C) carbohydrates, lipids, proteins, and nucleic acids.
D) RNA, DNA, steroids, and fats.
E) lipids, starches, DNA, and protein.

F) A) and C)
G) C) and D)

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Which of the following correctly lists the parts of a nucleotide of RNA?


A) nitrogen-containing base, deoxyribose, phosphate
B) sulfur-containing base, ribose, phosphate
C) nitrogen-containing base, ribose, phosphate
D) nitrogen-containing base, ribose, sulfur
E) amino acid, glycerol, nitrogen-containing base

F) A) and B)
G) B) and D)

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Which of the following is an organic molecule?


A) NaOH
B) HCl
C) CO2
D) C6H12O6
E) H2O

F) A) and B)
G) A) and C)

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Which word does NOT belong with the others?


A) muscle
B) antibodies
C) sucrose
D) enzymes
E) hair

F) C) and D)
G) None of the above

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