Khan Academy
Learn about restriction enzymes and DNA ligase in biotechnology.
Khan Academy
If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Overview: DNA cloning (article) | Khan Academy
Definition, purpose, and basic steps of DNA cloning.
Faça uma doação - Khan Academy
Se você está vendo esta mensagem, significa que estamos tendo problemas para carregar recursos externos em nosso website. Se você está atrás de um filtro da Web, certifique-se que os domínios *.kastatic.org e *.kasandbox.org estão desbloqueados.
Khan Academy
Si estás viendo este mensaje, significa que estamos teniendo problemas para cargar materiales externos en nuestro sitio. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Khan Academy
Si vous voyez ce message, cela signifie que nous avons des problèmes de chargement de données externes. Si vous avez un filtre web, veuillez vous assurer que les domaines *. kastatic.org et *. kasandbox.org sont autorisés.
Khan Academy
Restriction endonucleases. (2016). In New England biolabs. Retrieved from https://www.neb.com/products/restriction-endonucleases/restriction-endonucleases.
Khan Academy
Khan Academy
Khan Academy
Review your understanding of chromosomes and genes in this free article aligned to NGSS standards.
可汗学院 - Khan Academy
如果你看到这则信息,这表示下载可汗学院的外部资源时遇到困难. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.