Proteins

Which elements are proteins made up of?

• Carbon, helium, oxygen, and nitrogen

• Carbon, hydrogen, oxygen, and nitrogen

• Carbon, hydrogen, oxygen, and neon

• Carbon, hydrogen, argon, and nitrogen

What are the building blocks of proteins?

• Nucleic acids

• Fatty acids

• Amino acids

• Sugars

Where can protein be found?

• Only in animal foods

• Only in plant foods

• In both animal and plant foods

• Only in synthetic supplements

What are essential amino acids?

• Amino acids that the body can create on its own.

• Amino acids that must be obtained from food.

• Amino acids that are not used by the body.

• Amino acids that are produced when you exercise.

How many essential amino acids are there?

• 11

• 20

• 9

• 15

How many calories per gram does protein provide?

• 2 calories per gram

• 4 calories per gram

• 6 calories per gram

• 8 calories per gram

For protein to do its job best, what other nutrients should be consumed?

• Vitamins and minerals

• Carbohydrates and fats

• Fiber and water

• Antioxidants and phytochemicals

What happens to proteins during digestion?

• They are converted into glucose.

• They are broken down into single amino acids.

• They are absorbed directly by cells.

• They are stored in the digestive tract.

Approximately what percentage of daily calories should come from protein?

• 10%

• 20%

• 30%

• 40%

Is the need for protein the same for everyone?

• Yes, everyone needs the same amount of protein.

• No, some people may need more or less protein depending on several factors.

• Protein needs are only different for athletes.

• Protein needs are solely based on age.