On a mass basis, fats are more efficient sources of energy than carbohydrates but carbs may be mobilized quicker.
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On a mass basis, fats are more efficient sources of energy than carbohydrates but carbs may be mobilized quicker.
A) True
B) False
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- Cellulose cannot be digested and thus does not contribute to the caloric intake in humans. A) True B) FalseDefinitions: energy, metabolism, macronutrient, autotroph, heterotroph, byproduct, producer, consumer Ch 4. 1) a) What is a “balanced diet” and why is it important? b) Can a person be malnourished and not be “starving”? Explain your answer. 2) a) What is the difference between saturated and unsaturated fats? b) How do they differ in structure? c) Which is healthier and why? d? What are trans fats? 3) What is the role of a) carbohydrates and b) fats in our bodies? 4) a) What are the different roles proteins play in our cells/ bodies? b) What are essential amino acids? c) What is a complete vs. incomplete protein? 5) How do animals and plants differ in terms of their main structural components? 6) What primary characteristic determines the function of biological molecules? 7) a) How do enzymes catalyze (increase the rate of) reactions? b) What does it mean that enzymes are “substrate specific”? c) How are they usually named? 8) Describe the two types of enzyme…Which of the following type of metabolites is used for generating glucose under severe starvation conditions? a) Amino acids b) Fats c) Glycogen d) Starch
- calculate A product lists the following nutrition information: 689. Serving size 9oz Servings per package 1 Calories 240 Protein 19g Carbohydrate 19g Fat 10g What is the percentage of calories provided by fat in this product? a) 30% b) 34% c) 38% d) 42% 171 757. How many calories are supplied by 850% of 20% lipid solution? a) 1600 kcal b) 1700 kcal c) 1800 kcal d) 1900 kcal Answer: B20) Which of the following is a common function of fats in the body? A) Repairs bone cells B) Helps maintain healthy skin and hair C) Helps move foods through the digestive system D) Gets stored as glycogen for energy uses laterThe energy released by 1 gram of glucose is: A) 6 kcal B) 4 kcal C) 5 kcal D) 3kcal
- If a food has 10 grams of fat and 100 calories per serving, what is the percentage of calories from fat in this food? 1) 10% 2) 40% 3) 50% 4) 90%which of the following statements is true? a.) sucrose has no nutritional value b.) sucrose supplies more energy gram per gram, than starch c.) sucrose is a source of glucose d.) sucrose is comprised of two glucose moleculesGiven the nutritional principle of bioavailability, which of the following food combinations would most effectively increase the absorption of non-heme iron?A) Spinach salad with lemon juice dressingB) Whole grain cereal with milkC) Coffee with a bean burritoD) Eggs with a side of whole grain toast
- Which of the following vitamin is derived from cholesterol?a) Ab) Bc) Cd) DThe number of milligrams of KOH required to neutralize the free and combined fatty acid in one gram of a given fat is calleda) Saponification numberb) Iodine numberc) Acid numberd) Polenske numberHow many years will it take for a person with 24 μg% Pb (in fats) to have a level of3 μg% ?a) 6 years b) 12 years c) 18 years d) 24 years