Amino acid pool
Definition
The amino acid pool refers to the collection of amino acids available in the body's tissues and fluids at any given time. These amino acids are derived from dietary protein intake, protein breakdown, and new synthesis processes.
5 Must Know Facts For Your Next Test
- The amino acid pool is not a storage site but a dynamic reservoir that is constantly being replenished and utilized.
- Essential amino acids must be obtained through diet as they cannot be synthesized by the human body.
- Non-essential amino acids can be synthesized by the body from other compounds in the amino acid pool.
- The balance of the amino acid pool is critical for proper protein synthesis, maintenance, and repair of tissues.
- Amino acids from the pool are also used to produce important non-protein molecules such as neurotransmitters and hormones.
Review Questions
- What are two primary sources that contribute to the amino acid pool?
- Why is maintaining an adequate balance in the amino acid pool essential for bodily functions?
- How do essential and non-essential amino acids differ in terms of their contribution to the amino acid pool?
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Related terms
Protein Synthesis: The process by which cells build proteins using sequences encoded in DNA and mediated by RNA.
Essential Amino Acids: Amino acids that cannot be synthesized by the body and must be obtained through diet.
Nitrogen Balance: A measure of nitrogen input minus nitrogen output; it reflects protein metabolism status in the body.
