Definition of lackey - a servant, especially a liveried footman or manservant, a brownish European moth of woods and hedgerows, the caterpillars of which Definition of lackey - a servant, especially a liveried footman or manservant, a brownish European moth of woods and hedgerows, the caterpillars of which
The nucleolus is the nuclear subdomain that assembles ribosomal subunits in eukaryotic cells. The nucleolar organiser regions of chromosomes, which contain the genes for preâribosomal ribonucleic acid (rRNA), serve as the foundation for nucleolar structure.
Nucleolus. The nucleolus is the area where ribosomes are made. Ribosomes are made of RNA. The nucleolus contains a lot of rRNA (ribosomal RNA). Mitochondria. The mitochondria are called the powerhouses of the cell. This is where cellular respiration occurs. The end product of cellular respiration is energy.