Protein

Definition

Proteins are large, complex molecules made up of amino acids that play many critical roles in the body. They are essential for the structure, function, and regulation of the body's tissues and organs.

5 Must Know Facts For Your Next Test

1. Proteins are composed of 20 different amino acids, nine of which are essential and must be obtained through diet.
2. Proteins play a crucial role in muscle repair and growth, making them vital for musculoskeletal wellness.
3. Dietary protein needs vary based on age, sex, physical activity level, and health status.
4. Inadequate protein intake can lead to muscle wasting, weakened immune function, and delayed wound healing.
5. Protein metabolism is closely linked to renal health; excessive protein intake can strain kidney function.

Review Questions

• What are the building blocks of proteins?
• Why is dietary protein important for musculoskeletal health?
• How does protein intake affect renal wellness?

Related terms

Amino Acids:

The building blocks of proteins; there are 20 different types.

Enzymes:

Proteins that act as biological catalysts to speed up chemical reactions in the body.

Essential Amino Acids:

Amino acids that cannot be synthesized by the body and must be obtained through diet.