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CH. 26 NUTRITION AND METABOLISM EXAM QUESTIONS AND ANSWERS #15
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CH. 26 NUTRITION AND METABOLISM EXAM QUESTIONSAND ANSWERS #15
What are the components of an ATP molecule? - correct answer Adenine, ribose, and
phosphate
Glycolysis, anaerobic fermentation, and aerobic respiration are the three major
pathways for the catabolism (breakdown) of ________________________. - correct
answer glucose
The recommended intake of the nutrient _________________ is 1.1 g/day, but a typical
American diet contains about 4.5 g/day. - correct answer sodium
Match each carbohydrate to its most common dietary source. - correct answer
Sucrose> Refined from sugarcane and sugar beets
Fructose> Fruits
Maltose> Germinating cereal grains
Lactose> Cow's milk
Which term is defined as any ingested chemical that is used for growth, repair, or
maintenance of the body? - correct answer Nutrient
What are examples of carbohydrates? - correct answer Glucose, Glycogen, and
sucrose
By definition, one _________________ is the amount of energy (heat) required to
increase the temperature of 1 gram of water by 1 degree Celsius. - correct answer
calorie
Because the class of nutrients called _______________ are rapidly oxidized, they are
required in greater amounts in the diet than any other nutrient. - correct answer
carbohydrates
The sum of all chemical reactions in the body, including both anabolic and catabolic
reactions, is called: - correct answer metabolism
Which of the following are lipids? Phospholipids, glycogen, triglycerides, cholesterol,
and polypeptides - correct answer Phospholipids, Triglycerides, and Cholesterol
Match each nutrient class to its partial list of functions. - correct answer Water> Coolant;
Solvent; reactant or product in many metabolic reactions, etc.
Vitamins> Coenzymes for many metabolic pathways; antioxidants, etc.
Lipids> Fuel; plasma membrane structure; myelin sheaths; hormones; insulation;
padding around organs, etc.
Proteins> Muscle contraction; enzymes; antibodies; buffers; emergency fuel, etc.
Carbohydrates> Fuel; glycoproteins and glycolipids
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