When two monosaccharides undergo a dehydration synthesis,
A) two new monosaccharides are formed.
B) a disaccharide is formed.
C) a polysaccharide is formed.
D) a starch is formed.
E) hydrolysis occurs.
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Question 2) Carbohydrate molecules
A) are the building blocks of cellular membranes.
B) form the regulatory molecules known as enzymes.
C) are the body's most readily available source of energy.
D) are composed of C, H, O, and N atoms.
E) contain the genetic information found in cells.
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Question 3) The group of organic compounds containing carbon, hydrogen, and oxygen in a near 1:2:1 ratio is defined as a
A) carbohydrate.
B) lipid.
C) protein.
D) nucleic acid.
E) saturated fat.
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Question 4) A polysaccharide that is formed in liver and muscle cells to store glucose is
A) lactose.
B) cellulose.
C) glycogen.
D) sucrose.
E) fructose.
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Question 5) The most important metabolic fuel molecule in the body is
A) sucrose.
B) caffeine.
C) protein.
D) vitamins.
E) glucose.
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Question 6) Molecules that have the same molecular formula but different structural formulas are called
A) isotopes.
B) isomers.
C) isozymes.
D) isotypes.
E) isomoles.
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Question 7) Fructose is
A) a hexose.
B) an isomer of glucose.
C) found in male reproductive fluids.
D) a carbohydrate.
E) All of the answers are correct.
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Question 8) Which of the following functional groups is the phosphate group?
A) -NH2
B) -PO4
C) -COOH
D) -SH
E) -OH
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Question 9) Which of the following functional groups is the carboxyl group?
A) -NH2
B) -PO4
C) -COOH
D) -SH
E) -OH
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Question 10) Which of the following functional groups is the hydroxyl group?
A) -NH2
B) -PO4
C) -COOH
D) -SH
E) -OH
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