| nonmetal |
an element that does not exhibit the characteristics of a metal
출처: library.thinkquest.org/19957/nomen/glossary.html
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|---|---|
| nonessential amino acid |
An amino acid that may be synthesized by a cell or organism from simple chemical precursors. Nonessential amino acids are not required as nutrients.
출처: www.genpromag.com/Glossary~LETTER~N.html
|
| nonpolar |
Lacking in polarity; characterized by an even distribution of positive and negative charges.
출처: www.genpromag.com/Glossary~LETTER~N.html
|
| nonsense mutation |
A mutation that causes the formation of a nonsense codon and the truncation of the protein product.
출처: www.genpromag.com/Glossary~LETTER~N.html
|
| nondisjunction |
A failure of homologous chromosomes or sister chromatids to separate at anaphase.
출처: www.modernhumanorigins.com/n.html
|