What 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 the transfer of energy from ATP to generate an electron gradient.
D) ?It combines oxygen from carbon dioxide with hydrogen generated from the splitting of water.
A
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What is the actual ratio of calcium to protein intake (mg to g) for most U.S. women?
a. 3:1 b. 9:1 c. 13:1 d. 21:1 e. 36:1
During a physical activity, what hormone signals the fat cells to begin releasing their fatty acids?
a. Leptin b. Glucagon c. Epinephrine d. Neuropeptide Y e. Norepinephrine
Why do so many people fail to lose weight?
A) They rely on quick-fix weight-loss products that don't work. B) They believe that diets that result in a gradual loss of weight are the most successful. C) They lack will power. D) They lack the money to afford products and services that work.
Which individuals should avoid vitamin C supplements because of above-normal risk of negative effects?
a. smokers with low produce intakes b. people with too much cholesterol in their blood c. people with colds d. people with kidney disorders e. people with burn injuries