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Khan Academy
PCR é uma técnica de biologia molecular usada para amplificar fragmentos de DNA.
Khan Academy
Polymerase chain reaction (PCR) is a technique used to amplify DNA sequences for various applications in biotechnology and research.
可汗学院 - Khan Academy
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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 …
Khan Academy
Misyonumuz herkese, her yerde, dünya standartlarında ve ücretsiz eğitim imkanı sağlamaktır.
Free K-2 Reading Comprehension Worksheets - Khan Academy Blog
2023年7月25日 · Retelling stories. Retelling a story seems simple at first—all you have to do is say what happened in the story you just read! However, retelling will eventually lead to the …
Matematika | Khan Academy
Agar siz ushbu xabarni oʻqiyotgan boʻlsangiz, demak, saytimizga tashqi resurslarni yuklashda muammolarga duch kelmoqdamiz. If you're behind a web filter, please make sure that the …
Pre-algebra - 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 …
Moving from Official SAT Practice to Official Digital SAT Prep on …
2023年12月31日 · The SAT is adapting to better meet the needs of students and educators in our digital age. This means for U.S. students, the last administration of the pencil-and-paper SAT …