Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.

The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.

The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.

The process in which a uridine in position 34 of a tRNA is post-transcriptionally modified.

Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.

The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.

The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.

The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.

The incorporation of two iron atoms and two sulfur atoms into an iron-sulfur cluster.

The incorporation of two iron atoms and two sulfur atoms into an iron-sulfur cluster.

The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.

A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.

A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.

A sub-structure within the large single mitochondrion of kinetoplastid parasites and which is closely associated with the flagellar pocket and basal body of the flagellum.