Nutrition

What percentage of the human body is water?

• 1%

• 4%

• 16%

• 64%

What is the second largest component of the human body after water?

• Minerals

• Fat

• Carbohydrates

• Protein

How much protein will the cells synthesize over the course of a lifetime?

• 100 to 200 kilograms

• 225 to 450 kilograms

• 50 to 100 kilograms

• 500 to 750 kilograms

What are anabolic reactions responsible for?

• Maintaining the body's pH balance

• Constructing larger molecules and consuming energy

• Breaking down molecules to release energy

• Converting glucose into ATP

Which of the following is NOT a major nutrient?

• Minerals

• Water

• Oxygen

• Vitamins

What is the primary molecular fuel that cells need to make ATP?

• Amino acids

• Glycerol

• Glucose

• Fatty acids

Which type of cells feed exclusively on glucose?

• Muscle cells

• Neurons and red blood cells

• Liver cells

• Adipose cells

What are essential fatty acids?

• Fats that are only used for energy storage

• Fats that the body cannot make and must be ingested

• Fats that are only found in animal products

• Fats that can be synthesized by the body

What role do proteins play in the body?

• They are not essential for body function

• They are only found in the neurons of the brain

• They are primarily used for energy storage

• They form the bulk of muscle and connective tissue and are responsible for nearly every chemical reaction

How many essential amino acids cannot be made by the body and must be ingested?

• 5

• 9

• 20

• 12