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Jacqui
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Nucleoid
A dense region of DNA in a prokaryotic cell.
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Nucleolus
(plural, nucleoli) A specialized structure in the nucleus, formed from various chromosomes and active in the synthesis of ribosomes.
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Nucleosome
The basic, beadlike unit of DNA packaging in eukaryotes, consisting of a segment of DNA wound around a protein core composed of two copies of each of four types of histone.
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Nucleus
- (1) An atom's central core, containing protons and neutrons.
- (2) The chromosome-containing organelle of a eukaryotic cell.
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nuclear lamina
The nuclear Lamina lines the the nuclear envelope it is made of a lattice/net of protein filaments which provide support for the nucleus and anchorage points for chromosomes.
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Nuclear envelope
The membrane in eukaryotes that encloses the nucleus, separating it from the cytoplasm.
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nuclear pore complex
The nucleus has a double membrane (nuclear envelope) surrounding it. This is continuous with the endoplasmic reticulum and is studded with nuclear pores, each of which has a distinctive ring of proteins surrounding the pore.
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Organelle
One of several formed bodies with specialized functions, suspended in the cytoplasm of eukaryotic cells.
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Peroxisome
A microbody containing enzymes that transfer hydrogen from various substrates to oxygen, producing and then degrading hydrogen peroxide.
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plasma membrane
It lines the inside of the cell wall.
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