Explore the synapse, the junction between neurons, and learn about its role in transmitting signals in the nervous system.

This article provides an overview of neuron structure and function in the human nervous system.

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2024年8月15日 · By Kim Merrill, Sr. Computer Science Content Creator. The Khan Academy team is excited to announce the release of our new Intro to Computer Science course, which teaches the fundamentals of programming in Python.This course is packed with innovative features and engaging content, making it an ideal addition to beginner computer science …

Transcription factors regulate gene expression and cell specialization in eukaryotic organisms.

Review of meiosis, the process of cell division that reduces chromosome number by half and creates genetic diversity.

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

Học miễn phí nhiều môn học như toán học, nghệ thuật, lập trình, kinh tế học, vật lý, hóa học, sinh học, y học, tài chính, lịch sử và nhiều hơn nữa. Khan Academy là tổ chức phi lợi nhuận với sứ mệnh cung cấp một nền giáo dục với đẳng cấp quốc …