an essential nitrogen-containing component of organic matter.

listen to the pronunciation of an essential nitrogen-containing component of organic matter.
الإنجليزية - الإنجليزية

تعريف an essential nitrogen-containing component of organic matter. في الإنجليزية الإنجليزية القاموس.

An essential nitrogen-containing component of organic matter.
proteid
an essential nitrogen-containing component of organic matter.
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