Ribosome

Ribosomes that synthesize proteins for use within the cytosol (e.g., enzymes of glycolysis) are suspended in the cytosol.
Ribosomes that synthesize proteins destined for: ...
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ribosome
a ribonucleoprotein particle found in the cytoplasm on which protein synthesis takes place
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Definition of ribosome : ...
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The region of an mRNA molecule that binds the ribosome to initiate translation.
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Ribosomes consist of two subunits (Figure 1) that fit together (Figure 2) and work as one to translate the mRNA into a polypeptide chain during protein synthesis (Figure 3).
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Dr. Paul Meltzer, of the National Human Genome Research Institute's Laboratory of Cancer Genetics, defines ribosome.
illustrated:
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Ribosomes read the code in mRNA and synthesize protein accordingly.
The symbols to the right are used in the drawings of protein synthesis below.
The ribosome attaches to the mRNA.
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Ribosome
The term proposed by Roberts (1958)for the small cellular components (Gk. soma, body) composed of specialized ribosomal RNA and protein (ribonucleoprotein); site of protein synthesis.
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Ribosomes are the sites of protein synthesis. They are not membrane-bound and thus occur in both prokaryotes and eukaryotes. Eukaryotic ribosomes are slightly larger than prokaryotic ones.
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ribosomes: organelle bodies that may be bound to the ER that are the sites of protein synthesis in eukaryotic cells; the bodies in which amino acids are bound together to form proteins.
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ribosome -- (ribosomal RNA)
rift -- n. A long, narrow crack in the entire thickness of the Earth's crust, which is bounded by normal faults on either side and forms as the crust is pulled apart; v. To split the Earth's crust; rift zone- n.
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Ribosomes Small cellular components composed of specialized ribosomal RNA and protein; site of protein synthesis.
See also: RNA ...
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Ribosome : The small cellular structure in which RNA translates the genetic code into proteins.
RNA: See Ribonucleic acid.
Sequence: See Base sequence.
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ribosome - a complex of more than 50 different proteins associated with several structuralRNA molecules (rRNA's) ...
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ribosome
A cell organelle constructed in the nucleolus, functioning as the site of protein synthesis in the cytoplasm. Consists of rRNA and protein molecules, which make up two subunits.
ribozyme ...
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Ribosome binding site
A short nucleotide sequence upstream of a gene which forms the site on the mRNA molecule where the ribosome binds. (Also called a Shine-Delgarno sequence.) ...
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ribosome Subcellular structure composed of protein and ribonucleic acid. May be free in the cytoplasm or attached to the membranes of the endoplasmic reticulum; functions in protein synthesis.
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ribosome - part of protein synthetic machinery, made of ribosomal RNAs and proteins.
RNA polymerase - protein that synthesizes RNA from a DNA template.
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RIBOSOME - A complex ribonucleoprotein particle (eukaryotic ribosomes contain 4 RNAs and at least 82 proteins) which is the "machine" which translates mRNA into protein molecules.
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Ribosome. Cellular organelle that is the site of protein synthesis during translation. See Organelle, Translation.
Ribosome-binding site. The region of an mRNA molecule that binds the ribosome to initiate translation.
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Ribosome: A cellular particle which is involved in the translation of mRNAs to make proteins. Ribosomes are a complex consisting of ribosomal RNAs (rRNA) and several proteins.
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ribosome
a cell organelle constructed in the nucleolus, consisting of two subunits and functioning as the site of protein synthesis in the cytoplasm.
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Ribosome binding site: Sequences contained in an mRNA that organize the assembly of a ribosome to initiate translation of the mRNA into polypeptide.
Ribosomal RNA (rRNA): A class of RNA found in the ribosomes of cells.
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The ribosome is the main machine in the cell. It is the molecular mechanism that takes the information stored in the gene and translates it into information in protein sequence.
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The ribosome has sites, which allow another specialized RNA molecule, known as tRNA, to bind to the mRNA. Binding of the correct tRNA to the mRNA on the ribosome is accomplished by an "anticodon" that is part of the tRNA.
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An antibiotic of the aminoglycoside family that poisons translation by binding to the ribosomes. See Kanamycin. kanr. Kanamycin resistance gene. (See Selectable marker.) Karyotype.
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termination factors Protein factors of the cytoplasm required in releasing a completed polypeptide chain from a ribosome. AKA release factors.
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Ribosomes are multimolecular aggregates containing RNAs and proteins. They can be separated into two subunits, a large and a small subunit. The ribosomes contain binding sites for mRNA, for tRNAs and for a variety of protein factors.
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The amino acid sequence of proteins synthesized on ribosomes is thus determined by the sequence of the nucleotides in the genome.
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Ribosomal DNA genes
The genes that make the three RNA components of the ribosome - the particle (also containing 60 or more proteins) that is responsible for making proteins within the cell.
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: The direction which RNA polymerase moves during transcription (5' to 3') and ribosomes moves during translation.
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A class of small RNAs used by the cell to carry amino acids to the enzyme complex (the ribosome) which builds proteins, using an mRNA as a guide.
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The components of a typical prokaryotic cell are a cell wall, a cytoplasmic membrane, a single molecule of DNA, ribosomes and the cytoplasm. All other components, although they might be present, are essentially dispensable.
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Messenger RNA is then translated via cellular machinery called ribosomes into a string of amino acids -- a protein. Some proteins function as enzymes, catalysts that speed the chemical reactions in cells.
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The vector may also carry a ribosome binding sequence (for bacterial expression) and a start codon, depending on the nature of the inserted DNA. Some expression vectors produce fusion proteins.
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Ribosomes - extremely small grain-like organelle that provides the sites for protein synthesis (they may be free in the cytoplasm or attached to the endoplasmic reticulum) ...
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