Which of the following is a feature of the electron transport chain?
a. It captures energy in the high-energy bonds of ATP
b. It pumps carbon dioxide across the mitochondrial membrane
c. It is composed of a series of coenzymes that transfer electrons up a concentration gradient
d. It combines oxygen from carbon dioxide with hydrogen generated from the splitting of water
a
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About how much iron does the usual US diet provide per 1000 kcalories?
a. 3 to 5 mg b. 6 to 7 mg c. 10 to 12 mg d. 15 mg e. 18 mg
What is the approximate percent efficiency of conversion of food energy to ATP energy in the body?
a. 30% b. 50% c. 70% d. 90% e. 99%
Joy decides to cook dinner with less fat tonight and omits two tablespoons of vegetable oil from her recipe for rice pilaf. This change reduces the calories from fat in this recipe by approximately ____
a. 24 calories b. 50 calories c. 100 calories d. 200 calories e. 350 calories
Because allergic responses may persist after allergens are removed from the diet,
a. elimination testing is no longer used. b. patients must be cautioned to be scrupulously careful with their diets. c. patients are generally inaccurate in identifying foods to which they are allergic. d. an elemental formula diet may be needed to stabilize the patient.