Multiple Choice
What term did Antonie van Leeuwenhoek use to describe the bacteria and protozoa he observed under his microscope?
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Intro to Organic Chemistry
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Which of the following statements about the thermic effect of food is true in the context of organic chemistry?
A
The thermic effect of food is the energy required to digest, absorb, and metabolize nutrients.
B
The thermic effect of food is the energy stored in chemical bonds of food molecules.
C
The thermic effect of food is the energy lost as heat during cellular respiration.
D
The thermic effect of food is the heat released during the combustion of food.
Verified step by step guidance1
Begin by understanding the concept of the thermic effect of food. It refers to the energy expenditure above the basal metabolic rate due to the cost of processing food for use and storage.
Consider the process of digestion, absorption, and metabolism. These processes require energy, which is part of the thermic effect of food.
Evaluate the statement: 'The thermic effect of food is the energy required to digest, absorb, and metabolize nutrients.' This aligns with the definition of the thermic effect of food.
Analyze the other statements: 'The energy stored in chemical bonds of food molecules' refers to potential energy, not the thermic effect. 'Energy lost as heat during cellular respiration' is related to metabolic processes but not specifically the thermic effect. 'Heat released during the combustion of food' is more related to calorimetry than the thermic effect.
Conclude that the correct statement is the one that describes the energy required for digestion, absorption, and metabolism, as it directly relates to the thermic effect of food.
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