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A small group of indispensable persons or things
Else clues• Central part
• Chromosome home
• Core
• Kernel
• Central part
• Chromosome home
• Core
• Kernel
• Any histologically identifiable mass of neural cell bodies in the brain or spinal cord
• A part of the cell containing DNA and RNA and responsible for growth and reproduction
• The positively charged dense center of an atom
• (astronomy) the center of the head of a comet
• Consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail