| nucleotide |
A monomeric molecule of RNA and DNA that consists of three distinct parts: a pentose (ribose in RNA, deoxyribose in DNA), a nitrogenous base, and a phosphate group.
Ãâó: www.modernhumanorigins.com/n.html
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| nuchal plane |
The area at the nape of the neck where the neck muscles attach, the lower portion of the occipital bone below the superior nuchal line.
Ãâó: www.modernhumanorigins.com/n.html
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| nuclease |
An enzyme that catalyzes the degradation of a nucleic acid by breaking phosphodiester bonds. Nucleases specific for DNA are termed deoxyribonucleases (DNases), and nucleases specific for RNA are termed ribonucleases (RNases).
Ãâó: www.modernhumanorigins.com/n.html
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| nucleoid |
Central region in a bacterial cell in which the chromosome is compacted.
Ãâó: www.modernhumanorigins.com/n.html
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| nucleolus |
An organelle within the eukaryotic nucleus; the site of transcription of the ribosomal RNA genes and assembly of the ribosomal subunits.
Ãâó: www.modernhumanorigins.com/n.html
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