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Key Concepts Quiz on Chapter 6 - Key Concepts Quiz on...

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Key Concepts Quiz on Chapter 6 This activity contains 17 questions. Sunlight is essential for the varied life on Earth. Sunlight provides energy to photosynthetic organisms by providing _____. ( Module 6.1 ) heat to leaves, which is converted to useful energy for work heat to leaves, which is used to synthesize chloroplasts the energy required to drive cellular respiration the energy necessary to power the rearrangement of chemical bonds Lungs are to breathing as _____ are to cellular respiration. ( Module 6.2 ) alveoli bronchi chloroplasts mitochondria When a car engine burns gasoline, the results of the reaction are similar to when cells burn glucose. Both reactions release carbon dioxide and water. In cells, the chemical energy in food is converted to ATP and heat. In a moving car, the chemical energy in gasoline is converted to _____. ( Module 6.3 ) kinetic energy and heat potential energy and heat thermal energy and heat ATP and heat
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Given the relatively modest number of calories burned by anything but the most vigorous activities, why can people consume over 2,000 kilocalories a day, yet maintain a healthy body weight? ( Module 6.4 ) They can't, and this has led to a problem of obesity in the United States. People really should exercise vigorously for one to two hours per day. Most of the energy consumed in food is spent maintaining the body's functions, so only a fraction of food energy needs to be burned in exercise.
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