The Ultimate Calorie Quiz

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Questions and Answers

Which unit of measurement represents the energy required to heat a kilogram of water by one degree Celsius?

  • Kilocalorie (correct)
  • Joule
  • Calorie
  • Watt

What do enzymes do to the nutrients consumed through metabolic processes?

  • Send them to the brain
  • Convert them into water
  • Break them into their perspective categories (correct)
  • Store them as fat

What are the three categories that food calories may take the form of?

  • Enzymes, nucleic acids, and fiber
  • Fatty acids, glucose, and amino acids (correct)
  • Proteins, carbohydrates, and vitamins
  • Lipids, sugars, and minerals

How is the stored energy in fatty acids, glucose, and amino acids released?

<p>Through the process of oxidation (C)</p> Signup and view all the answers

Where do the molecules of fatty acids, glucose, and amino acids go after being broken down by enzymes?

<p>They are absorbed for immediate use (B)</p> Signup and view all the answers

Which substance can be measured in calories?

<p>Any substance with energy (B)</p> Signup and view all the answers

How many calories are in a liter of gasoline?

<p>8200 calories (B)</p> Signup and view all the answers

What is a calorie also known as?

<p>Kilocalorie (A)</p> Signup and view all the answers

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Study Notes

Energy and Nutrition

  • A calorie represents the energy required to heat a kilogram of water by one degree Celsius.

Enzymes and Metabolism

  • Enzymes break down the nutrients consumed through metabolic processes.

Forms of Food Energy

  • Food calories may take the form of carbohydrates, proteins, or fats.

Energy Release

  • The stored energy in fatty acids, glucose, and amino acids is released through cellular respiration.

Broken-Down Molecules

  • The molecules of fatty acids, glucose, and amino acids are absorbed by the bloodstream after being broken down by enzymes.

Measuring Energy

  • Energy can be measured in calories.

Energy Density

  • A liter of gasoline contains approximately 31,000,000 calories.

Calorie Definition

  • A calorie is also known as a unit of energy.

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