david ng
david ng
  • Видео 15
  • Просмотров 70 442

Видео

[SPM BIOLOGY FORM 4](华语讲解)Cell Division III: Meiosis
Просмотров 1962 года назад
[SPM BIOLOGY FORM 4](华语讲解)Cell Division III: Meiosis
[SPM BIOLOGY FORM 4] (华语讲解)Cell Division II: Mitosis
Просмотров 1192 года назад
[SPM BIOLOGY FORM 4] (华语讲解)Cell Division II: Mitosis
[SPM BIOLOGY FORM 4] (华语讲解)Cell Division I: Chromatin, Chromosome and Cell Cycle
Просмотров 1232 года назад
[SPM BIOLOGY FORM 4] (华语讲解)Cell Division I: Chromatin, Chromosome and Cell Cycle
[SPM BIOLOGY FORM 4](华语讲解)Nucleic Acids, DNA & RNA
Просмотров 2442 года назад
[SPM BIOLOGY FORM 4](华语讲解)Nucleic Acids, DNA & RNA
[SPM BIOLOGY FORM 5] Biodiversity, Scientific Nomenclature & Dichotomous Key (华语讲解)
Просмотров 1492 года назад
[SPM BIOLOGY FORM 5] Biodiversity, Scientific Nomenclature & Dichotomous Key (华语讲解)
Protein Synthesis: Transcription and Translation
Просмотров 5753 года назад
Protein Synthesis: Transcription and Translation
[ScientistOnAir] What happens if we add soft drink to a plant?
Просмотров 3784 года назад
Do this experiment with kids, it's fun!
[ScientistOnAir] DNA Extraction From Banana
Просмотров 3 тыс.4 года назад
In this video, I am using hand sanitiser to replace ethanol for DNA precipitation, it works! This is because the hand sanitiser itself contains 75% ethanol.
Ecdysis and Metamorphosis: The Role of Hormones
Просмотров 8 тыс.4 года назад
Ecdysis and Metamorphosis: The Role of Hormones
Seed Germination and Gibberellic Acid: The Mobilisation of Nutrients
Просмотров 21 тыс.4 года назад
This video describes the process of seed germination involving gibberellic acid.
武汉肺炎/新冠病毒 - 你所知及你所不知的
Просмотров 2684 года назад
武汉肺炎/新冠病毒 - 你所知及你所不知的
Auxin Control of Apical Dominance
Просмотров 24 тыс.4 года назад
Auxin is an important plant hormone that regulating growth of shoots. One of its roles is to promote growth and elongation of apical shoots at the same time, to suppress growth of lateral buds. Watch this video for detail explanation.
Formation of Action Potential (Nervous System)
Просмотров 4335 лет назад
This video explains about what is membrane potential and the steps to generate an action potential.
The Journey of DNA Discovery
Просмотров 1 тыс.5 лет назад
The Journey of DNA Discovery