Protein synthesis, animation. Proteins are encoded by sections of DNA (deoxyribonucleic acid, purple helix) called genes. DNA is transcribed to mRNA (messenger ribonucleic acid, green) by the enzyme RNA polymerase (purple oval) in the cell nucleus (brown). The mRNA leaves the nucleus and is translated into a protein (red) by a ribosome (blue). Ribosomes may either be bound to endoplasmic reticulum (ER, yellow) or free within the cytostol. Ribosomes bound to ER make proteins for export out of the cell, or for incorporation into the cell membrane. Free ribsomomes make proteins that will function within the cell. Examples of such proteins are shown at lower right. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Biocosmos / Francis Leroy & Jana Hermanova |
Modell-Rechte: | nicht erforderlich |
Länge: | 32 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |