Definition och Betydelse av "nucleus"

Nucleus

cellkärna

(biology) the part of a cell that contains most of the genetic information

cellkärna

a small group of indispensable persons or things

cellkärna

the positively charged dense center of an atom

cellkärna

any histologically identifiable mass of neural cell bodies in the brain or spinal cord

cellkärna

the central structure of the lens that is surrounded by the cortex

cellkärna

the central core of a comet, which is composed of ice, dust, and rocky materials

cellkärna

the central and typically sonorous part of a syllable, usually occupied by a vowel or a vowel-like sound

Exempel

The nucleus, an organelle housing genetic material, regulates cell activities.

Cometary nuclei are composed of a mixture of water ice, dust, and organic compounds.

Galactic nuclei often harbor supermassive black holes at their centers.

The nucleus of Comet Halley is thought to be a mixture of water ice, carbon dioxide ice, and various organic compounds.

The nucleus of Comet Hale-Bopp is believed to be several kilometers in diameter.

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