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1 | |
The nutrient we are least able to manage without is __. |
| | A) | protein |
| | B) | water |
| | C) | carbohydrate |
| | D) | fat |
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2 | |
The main role of water in our bodies is to __. |
| | A) | lubricate everything |
| | B) | circulate nutrients |
| | C) | dilute nutrients |
| | D) | act as a solvent |
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3 | |
When carbohydrates are digested by our bodies, they are broken down to __ units which serve as a source of energy for our cells. |
| | A) | sucrose |
| | B) | glucose |
| | C) | fructose |
| | D) | disaccharide |
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4 | |
Compounds with the same formula but different structures are called __. |
| | A) | isomers |
| | B) | polymers |
| | C) | inverts |
| | D) | racemic structures |
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5 | |
When two monosaccharides react to join together to form a disaccharide, a water molecule is released. This is called a(n) __ reaction. |
| | A) | evaporation |
| | B) | condensation |
| | C) | water-forming |
| | D) | hydrophilic |
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6 | |
Lactose is the sugar found in __. |
| | A) | fruit |
| | B) | honey |
| | C) | malt |
| | D) | milk |
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7 | |
Sucrose is composed of one __ and one __ unit. |
| | A) | glucose, fructose |
| | B) | maltose, fructose |
| | C) | sucrose, maltose |
| | D) | lactose, fructose |
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8 | |
Nearly all biological reactions are catalyzed by one or more __. |
| | A) | minerals |
| | B) | emulsifiers |
| | C) | enzymes |
| | D) | triglycerides |
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9 | |
Glucose in starch is bonded in the __ form, whereas glucose in cellulose is bonded in the __ form. |
| | A) | peptide, saccharide |
| | B) | saccharide, peptide |
| | C) | alpha, beta |
| | D) | beta, alpha |
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10 | |
Humans lack enzymes which break the __ linkages between glucose units. |
| | A) | alpha |
| | B) | beta |
| | C) | glycoside |
| | D) | peptide |
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11 | |
Triglycerides containing __ fatty acids tend to be liquids, whereas those containing __ fatty acids tend to be solids. |
| | A) | unsaturated, saturated |
| | B) | saturated, unsaturated |
| | C) | hydrogenated, saturated |
| | D) | saturated, hydrogenated |
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12 | |
__ help fat molecules and water molecules to mingle without actually dissolving. |
| | A) | Triglycerides |
| | B) | Trans-fatty acids |
| | C) | Enzymes |
| | D) | Emulsifiers |
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13 | |
Proteins differ from carbohydrates and lipids in that they contain large amounts of __ in addition to carbon, hydrogen, and oxygen. |
| | A) | phosphorus |
| | B) | sodium |
| | C) | nitrogen |
| | D) | potassium |
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14 | |
Saturated fat molecules have no more room for __ atoms. |
| | A) | oxygen |
| | B) | hydrogen |
| | C) | nitrogen |
| | D) | carbon |
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15 | |
Vegetable based foods do not contain __. |
| | A) | cholesterol |
| | B) | fats |
| | C) | oils |
| | D) | fatty acids |
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16 | |
__ is a mineral used in our bodies with hemoglobin and myoglobin, the oxygen transport molecules. |
| | A) | Potassium |
| | B) | Zinc |
| | C) | Calcium |
| | D) | Iron |
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17 | |
The sequence of amino acids in a protein is described by __ structure. |
| | A) | primary |
| | B) | secondary |
| | C) | tertiary |
| | D) | quaternary |
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18 | |
If you want to limit your fat intake to 180 Calories per day, how many grams of fat can you consume in a day? |
| | A) | 45g |
| | B) | 20g |
| | C) | 18g |
| | D) | 36g |
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19 | |
A recent report showed that trans-fatty acids in the diet may be associated with increased __. |
| | A) | risk of cancer |
| | B) | risk of heart attack |
| | C) | risk of high blood pressure |
| | D) | cholesterol |
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20 | |
A vitamin is a compound which |
| | A) | is a specialized protein. |
| | B) | is synthesized in our body. |
| | C) | must be in our food. |
| | D) | must be water soluble. |
| | E) | may be inorganic or organic. |
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