lysine
/'laisi:n/
Học thuậtThân thiện
Definition
- Noun:
- An essential amino acid found in proteins: Lysine is one of the nine essential amino acids that the human body cannot synthesize and must obtain from the diet. It is a fundamental building block for proteins and is crucial for various bodily functions, including growth, tissue repair, and the production of enzymes, hormones, and antibodies.
Examples of Usage
- Noun:
- Lysine is abundant in foods like meat, eggs, and soybeans.
- A deficiency in lysine can impair growth and immune function.
- The nutritional supplement is fortified with lysine.
Advanced Usage
- "Lysine residue": Refers to a single molecule of lysine within a protein chain.
- The modification occurs at a specific lysine residue in the enzyme.
- "Lysine supplementation": The act of adding lysine to the diet, often for health purposes.
- Lysine supplementation is sometimes used to manage herpes simplex outbreaks.
Variants and Related Words
- L-Lysine (n): The biologically active form of lysine found in proteins and used in supplements.
- Most dietary supplements contain L-lysine.
- Lysyl (adj): A prefix or combining form relating to lysine, often used in biochemistry (e.g., lysyl group).
- The reaction involves the lysyl side chain.
Synonyms
- Essential amino acid: A category to which lysine belongs.
- Proteinogenic amino acid: An amino acid used by cells to build proteins.
Related Phrases
(Note: As a specific biochemical compound, "lysine" does not have phrasal verbs in the conventional sense.)
Related Idioms
(Note: There are no common idioms using the word "lysine" due to its technical nature.)
Noun
- an essential amino acid found in proteins; occurs especially in gelatin and casein