Khan Academy
Learn about microscopy and its importance in understanding cell structure and function on Khan Academy.
Khan Academy
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可汗学院
免费学习数学, 美术, 计算机编程, 经济, 物理, 化学, 生物, 医学, 金融, 历史等学科. 可汗学院是一个旨在为任何地方、任何人提供免费的、世界一流教育的非盈利组织.
Quick-Start Guide: Parents of Children ages 12 & Under
2023年9月22日 · If you have an urgent need to get your kids started in Khan Academy, t his guide will walk you through getting your child signed up and set up on Khan Academy first – and then setting up a parent account so that you can support their learning. However, in most cases we strongly recommend creating your parent account first and then adding your children through …
Khan Academy
Introduction to microscopes and their working principles, including brightfield, fluorescence, and electron microscopy.
Khan Academy
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