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A scientist has isolated a chemical compound that is partially soluble in water. The chemical helps keep water-soluble substances mixed with fats. When analyzing the composition of the chemical, the scientist determined that in addition to carbon, hydrogen, and oxygen, the compound contains nitrogen and phosphorus atoms. Based on this information, the compound is a (an)

The chemical attraction between the acid group of one amino acid and the amino group of another amino acid can form a

When she prepares food, Felicia wants to use a product that is a rich source of unsaturated fat. Based on this information, which of the following fats should she select?

According to scientific evidence, which of the following substances may improve the performance of sprinters and weightlifters?

Holly is a healthy woman who is 22 years of age. Using this information, calculate her target heart rate zone for moderate-intensity physical activity.

_____ are often referred to as the “powerhouses” of cells because most of the energy stored in macronutrients is released in them.

Scientists are uncertain whether ____ is an essential mineral for humans.

Humans need vitamin B-6 for

Which of the following foods is a poor source of essential amino acids?

Which of the following foods is a source of cholesterol?