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1 | |
Glucose is a |
| | A) | monosaccharide. |
| | B) | disaccharide. |
| | C) | polysaccharide. |
| | D) | glycoprotein. |
| | E) | phospholipid. |
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2 | |
Carbohydrates are stored in the liver and muscles in the form of |
| | A) | cellulose. |
| | B) | starch. |
| | C) | triacylglycerol. |
| | D) | glycogen. |
| | E) | all of the above. |
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3 | |
Which of the following lipids have regulatory roles in the body? |
| | A) | Steroids |
| | B) | Prostaglandins |
| | C) | Triacylglycerols |
| | D) | A and B |
| | E) | A, B and C. |
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4 | |
Proteins are |
| | A) | critically important for physiological processes. |
| | B) | composed of fatty acids. |
| | C) | composed of nucleic acids. |
| | D) | macromolecules with subunits linked by polypeptide bonds. |
| | E) | A and D. |
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5 | |
Protein conformation is |
| | A) | independent of the sequence of subunits forming the protein. |
| | B) | dependent upon a combination of covalent and noncovalent bonds. |
| | C) | affected by interactions with water molecules. |
| | D) | A and C. |
| | E) | B and C. |
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6 | |
Which of the following correctly describes the strength of the chemical bonds important in protein conformation, from strongest to weakest? |
| | A) | covalent, ionic, hydrogen, van der Waals. |
| | B) | ionic, covalent, hydrogen, van der Waals. |
| | C) | van der Waals, hydrogen, ionic, covalent. |
| | D) | covalent, hydrogen, ionic, van der Waals. |
| | E) | covalent, ionic, van der Waals, hydrogen. |
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7 | |
Solutes that do not dissolve in water are called hydrophilic. |
| | A) | True |
| | B) | False |
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8 | |
Molecules with both polar and nonpolar regions are called ambidextrous. |
| | A) | True |
| | B) | False |
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9 | |
The molarity of a solution is a measure of the concentration of the solute. |
| | A) | True |
| | B) | False |
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10 | |
A solution with a pH of 8 is more acidic than one with a pH of 3. |
| | A) | True |
| | B) | False |
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11 | |
Organic chemistry is the study of oxygen-containing compounds. |
| | A) | True |
| | B) | False |
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