A college student who has been feeling fatigued decides to take an energy-boosting supplement advertised on a television infomercial and endorsed by a professional athlete. She reports feeling more energetic after taking the supplement but later discovers the supplement is only made of sugar. The student most likely experienced _____.
a. the effectiveness of the energy supplement working in her body
b. the placebo effect
c. an increase in nerve impulse velocity caused by the sugar tablet
d. an increase in blood pressure
e. a decrease in blood pressure
Question 2
Which individual would be the most reliable source for nutrition information?
a. a student who has taken a nutrition class and calls himself a nutritionist
b. a registered dietitian working in a clinical setting
c. an Internet blogger with great advice on dietary supplements
d. a salesperson at a dietary supplement store
e. an aerobics instructor working at a health club
Some energy interconversions in living organisms
fusion for energy
The Energy Yield of Fossil Fuels
The coupling of reactions in energy transfer.
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Renewable Energy Sources Globally