Khan Academy: Central Dogma

This video lesson is designed for Class 12 Biology (India). This video lesson explains how new discoveries have expanded or contradicted the original central dogma of molecular biology as proposed by Watson and Crick. These discoveries...

This video lesson is designed for Class 12 Biology (India). This video lesson explains the central dogma of molecular biology, as explained by Watson and Crick.

Find out how the your body uses special cells that are central to the brain (inside the brain) to sense levels of CO2 and pH. Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide...

Do you know how your body controls your breathing rate? In this video, learn how special cells that are in your brain senses levels of C02 an pH. [7:43]

Learn how DNA is copied during replication, and find out how information in DNA can be used to make a protein. [15:24]

Introduction to transcription including the role of RNA polymerase, promoters, terminators, introns and exons. [10:25]

A deep dive into how mRNA is translated into proteins with the help of ribosomes and tRNA. [14:11]

Understand why the central dogma of molecular biology is amino acids with this video. [9:53]

Get an introduction to study of chemistry in this video. Listen to a chemist names Anne McNeil who not only introduces this central science but also shares how the study of matter has changed over time. [4:43]

The second of a two-part lesson about how tuberculosis can spread beyond the lungs effecting the bones, central nervous system, gastrointestinal tract, and heart.