Nutrition - Proteins and Fats

There are a total of __ amino acids

Which elements are proteins primarily composed of?

• Carbon, hydrogen, oxygen, and nitrogen

• Carbon, hydrogen, sulfur, and phosphorus

• Oxygen, nitrogen, sulfur, and phosphorus

• Hydrogen, oxygen, sulfur, and nitrogen

What role does fat play in the absorption of fat-soluble vitamins (A, D, E, K)?

What is the structural unit of proteins?

• Lipids

• Nucleotides

• Amino acids

• Sugars

What is the total number of amino acids?

• 9

• 11

• 20

• 15

Describe what happens to proteins during digestion.

What is the main difference between complete and incomplete proteins?

• Complete proteins contain all nine essential amino acids, while incomplete proteins do not.

• Complete proteins are only found in plants, while incomplete proteins are found in animals.

• Complete proteins are larger molecules than incomplete proteins.

• Complete proteins are only found in dairy products.

How are protein sources classified?

• As either complete or incomplete proteins.

• As either solid or liquid proteins.

• As either animal or plant proteins.

• As either natural or synthetic proteins.

What do incomplete proteins lack?

• One or more of the nine essential amino acids.

• All non-essential amino acids.

• All amino acids.

• Only one essential amino acid.

Which of the following contains all nine essential amino acids?

• Quinoa

• Kale

• Apples

• Chickpeas