DNA silent point mutation, animation

Référence de la vidéo 12082092
DNA silent point mutation. Animation showing a strand of DNA (deoxyribonucleic acid) unravelling to display its genetic code, followed by an illustration of a silent point mutation. A helicase enzyme (red) is shown moving along the DNA molecule, separating the complementary strands. The genetic code is the sequence of the nucleotide bases along a strand (cytosine, C, blue; guanine, G, yellow; adenine, A, green; thymine, T, red). The sequence is labelled here, with adjacent groups of three bases known as codons, which code for the production of amino acids (the basis of proteins). The central codon here is GTT (for the amino acid valine). This is shown mutating to GTC, which will still produce the amino acid valine. This is known as a silent mutation (one producing no change), as opposed to mutations that produce nonsense or change (missense).
Licence : Droits gérés
Crédit : Science Photo Library / EQUINOX GRAPHICS / RHYS LEWIS, AHS, DECD, UNISA
Model Release : Non requis
Durée : 43 Secondes
Aspect ratio : 16/9
Restrictions : -

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