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methionine
This term is a technical chemical designation used primarily in biochemistry and molecular biology. It carries a neutral, scientific register and is almost exclusively found in academic papers, medical textbooks, or laboratory reports.
As a specific chemical compound, it is treated as an uncountable mass noun. It refers to the substance itself rather than individual molecules, meaning it does not typically take a plural form in standard scientific discourse.
Ý nghĩa
Ví dụ
Methionine is an essential amino acid that the body cannot produce on its own.
The researcher analyzed the levels of methionine in the blood sample.
Does this supplement contain enough methionine for a balanced diet?
Most proteins start with methionine as the first amino acid.
I wonder if a deficiency in methionine could affect muscle growth.
The chemical structure of methionine includes a sulfur atom.
We need to measure the concentration of methionine in this solution.
Eggs and fish are excellent dietary sources of methionine.