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Ribosome in Biological Definition

Protein biosynthesis

... . Initiation and elongation occur when the ribosome recognizes the starting codon on the mRNA strand and binds to it. The ribosome has sites, which allow another enzyme, tRNA to ... unit of amino acid attached to it. As the ribosome travels down the mRNA one codon at a time, ...

RNA

... material, while peptide bond formation in the ribosome is carried out by an RNA-derived ribozyme . ... that present specific amino acids to the ribosome during translation , the anticodon of the tRNA ... is RNA that carries information from DNA to the ribosome sites of protein synthesis in the cell. Once ...

Ribosome

... Figure 1: ribosome structure indicating small subunit (A) and large ... (6) Back. (7) Stalk. (8) Front. A ribosome is an organelle composed of rRNA ... Figure 3 : Translation (1) of mRNA by a ribosome (2) into a polypeptide chain (3). The mRNA ...

Cell biology

... Flagella Glycolysis Golgi apparatus Lipid bilayer Membrane Mitochondrion Nucleus Organelle Passive transport ribosome Signal transduction Vesicle Important publications in cell biology External links The Virtual Library of Biochemistry and ...

Cell nucleus

... expressed. Therefore, the regions of DNA that constitute heterochromatin vary between cell types. Nucleoli are densely-stained structures at which ribosome subunits are assembled. ...

Endoplasmic reticulum

... reticulum and Golgi apparatus. (1) Nucleus. (2) Nuclear pore. (3) Rough endoplasmic reticulum (RER). (4) Smooth endoplasmic reticulum (SER). (5) ribosome on the rough ER. (6) Proteins that are transported. (7) Transport vesicle. (8) Golgi apparatus. (9) Cis face of the Golgi apparatus. (10) Trans face ...

Golgi apparatus

... reticulum and Golgi apparatus: (1) Nucleus, (2) Nuclear pore, (3) Rough endoplasmic reticulum (RER), (4) Smooth endoplasmic reticulum (SER), (5) ribosome on the rough ER, (6) Proteins that are transported, (7) Transport vesicle, (8) Golgi apparatus , (9) Cis face of the Golgi apparatus, (10) Trans ...

Human Genome Project

... cases, evolutionary questions can now be framed in terms of molecular biology ; indeed, many major evolutionary milestones (the emergence of the ribosome and organelles , the development of embryos with body plans, the vertebrate immune system ) can be related to the molecular level. Many ...

Organelle

... include: centriole endoplasmic reticulum golgi apparatus lysosome myofibril plastids nucleus peroxisome ribosome vacuole vesicle melanosome Other related structures: flagellum cytosol endomembrane system nucleosome ...

Peptide

... A dipeptide has two amino acids. A peptide hormone is a peptide that acts as a hormone . See also Peptide synthesis ribosome External links Antimicrobial Peptides ...

Peptide

... A dipeptide has two amino acids. A peptide hormone is a peptide that acts as a hormone . See also Peptide synthesis ribosome External links Antimicrobial Peptides ...

Prion

... changing its amino acid sequence) can alter its biological properties. The actual creation of the prion protein is still carried out by the ribosome , while the infectious form of the prion protein only transfers the pathological conformation to the proteins synthesized by the cell. A ...

Protein

... Intein Peptide Prion Proteinoid Protein structure prediction Protein targeting Proteome Proteomics ribosome Structural genomics External links Proteins: Biogenesis to Degradation - The Virtual Library of Biochemistry and Cell Biology ...

Endoplasmic reticulum

... reticulum and Golgi apparatus. (1) Nucleus. (2) Nuclear pore. (3) Rough endoplasmic reticulum (RER). (4) Smooth endoplasmic reticulum (SER). (5) ribosome on the rough ER. (6) Proteins that are transported. (7) Transport vesicle. (8) Golgi apparatus. (9) Cis face of the Golgi apparatus. (10) Trans face ...

Endoplasmic reticulum

... reticulum and Golgi apparatus. (1) Nucleus. (2) Nuclear pore. (3) Rough endoplasmic reticulum (RER). (4) Smooth endoplasmic reticulum (SER). (5) ribosome on the rough ER. (6) Proteins that are transported. (7) Transport vesicle. (8) Golgi apparatus. (9) Cis face of the Golgi apparatus. (10) Trans face ...

Endoplasmic reticulum

... reticulum and Golgi apparatus. (1) Nucleus. (2) Nuclear pore. (3) Rough endoplasmic reticulum (RER). (4) Smooth endoplasmic reticulum (SER). (5) ribosome on the rough ER. (6) Proteins that are transported. (7) Transport vesicle. (8) Golgi apparatus. (9) Cis face of the Golgi apparatus. (10) Trans face ...
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