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A family of organic compounds soluble in organic solvents but in water is called:
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When amino acids are degraded for energy, their amine groups are stripped off and used elsewhere or incorporated by the liver into:
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NUTR 5&6
| Question | Answer |
|---|---|
| A family of organic compounds soluble in organic solvents but in water is called: | lipids |
| When amino acids are degraded for energy, their amine groups are stripped off and used elsewhere or incorporated by the liver into: | urea |
| Which of the following is found in proteins but not carbohydrates or fats | nitrogen |
| Fatty acids may differ from each one another: | in chain length and degree of saturation |
| All of the following are found mainly in foods that contain fat except | VITAMIN C |
| Which of the following is not a function of fat in the human body? | carries the water-soluble nutrients |
| Which of the following is not a desirable lipid value? | high LDL |
| All of the following statements concerning cholesterol is true EXCEPT: | it is an essential nutrient |
| a lipid that is solid at room temperature | fat |
| one of the three main classes of dietary lipids, chief form of fat in foods | triglyceride |
| a phospholipid which is a major constituent of cell membranes | lecithin |
| one of the sterols manufactured in the body | cholesterol |
| one of the three main classes of lipids with a structure similar to cholesterol | sterol |
| one of the three main classes of lipids which is similar to a triglyceride | phospholipid |
| a lipid that is liquid at room temperature | oil |
| How many amino acids are considered to be essential amino acids? | 9 |
| Which of the following is a protein catalyst which acts on other substances to change them chemically? | enzyme |
| All of the following are needed for the body to synthesize protein EXCEPT: | amino acid supplements |
| A(n) ________ bond formed between the amine group end of one amino acid and the acid group end of the next amino acid in a protein | peptide |
| Which of the following provide amino acids which are best absorbed by the body? | animal protein |
| The DRI Committee recommends _______ percent of total calories as the minimum anount of protein? | 10 |
| The DRI for protein for healthy adults is ______grams per kilogram of body weight? | 0.8 |
| For athletes, the path to bigger muscles includes: | vigorous physical training and well-timed meals |
| Which of the following statements are true? | athletes need slightly more protein than other healthy adults |
| What is the DRI for protein for a 40-year old male who is 6'4" tall and weighs 190 pounds? | 65 grams |
| In times of energy shortage from carbohydrates, or fats in foods, the body uses protein in what way? | it removes the nitrogen portion and burns the remaining fragments for energy |
| For the majority of exercisers, adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building. | false |
| Sickle-cell disease is an example of an inherited mistake in the amino acid sequence. | true |
| PEM is the world's most widespread form of malnutrition | true |
| About 95% of the lipids in foods and in the human body are: | triglycerides |
| What is the process by which heat or acidity disrupts the normal shape of a protein chain? | denaturation |
| The hormone produced by adipose tissue in response to body fat production that helps to control obesity | leptin |
| All of the following are risk factors for CVD except: | diastolic blood pressure of 80 |
| Process by which an amino acid is used to make glucose is termed | gluconeogenesis |
| To decrease the risk of CVD, trans-fatty acids are classified with ____fat | saturated |
| A majority of fat digestion takes place in the stomach. | true |
| DRI recommendations concerning intakes of fats include: | a. consume up to 35% of calories as fat b. keep saturated fat intake low: less than 10% of calories. |
| The role of bile in fat digestion is to: | emulsify fats in the small intestine |
| Which one of the following statements about fatty foods is true? | fat gives food a tough texture |
| If the fat in a container is solid at room temperature, what type of fat is it? | saturated fat |
| The main dietary factor associated with elevated blood cholesterol is: | high saturated and transfat intake |
| What does the term point of unsaturation mean? | the area on a fatty acid chain where a hydrogen is missing from the bond |
| Which of the following statements best describes individuals who have had their gallbladder removed? | bile is released directly into the small intestine |
| Each amino acid has its own distinctive chemical side chain attached to the center carbon of the backbone. | true |
| The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat. | false |
| Vegetarians have significantly higher rates of hypertension than the general population. | false |
| Which one of the following statements about fatty foods is true? | fat contributes to satiety, contributing to the feeling of fullness |
| The best way to increase consumption of omega-3 fatty acids is to: | consume two fish meals per week |
| Cooking oils should be stored in tightly covered containers in order to: | a. prevent them from becoming rancid. b. retard the oxidation process |
| Approximately what percent calories from fat would be provided by a bowl of soup containing 200 calories and 99 calories from fat? | 50% |
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pink23