Khan Academy: Recombinant Dna and Cloning

Read a passage about recombinant DNA technology and answer the follow-up questions.

This article describes the race to unlock the mystery of life by determining the double helix structure of the DNA molecule. The discovery of DNA and its structure is an example of collective learning.

Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:02]

Video tutorial provides an overview of DNA transcription, translation, and replication during mitosis and meiosis while also teaching about chromosomes, chromatids, and chromatin. [18:23]

Read the passage and study the graphics concerning Melting Point and Thermodynamics of Double-Stranded DNA and then answer the five question quiz.

Sal Khan introduces the circulatory system function and the structure and function of the heart. [14:53]

This video illustrates and explains how seismic waves function. These waves are broken down into two types: surface and body. Take a look into why waves help understand the structure of Earth. [8:38]

Recognize the relationship between Gibbs free energy, reaction quotient Q, and cell voltage. [12:31]

Can ancient scriptural accounts of the world's creation by God be reconciled with Darwin's new story? This article looks at three responses to this question: Conflict, Contrast, and Convergence.

A video exploring the structure of water. Learn how the structure of water allows it be essential for life. Video reviews how hydrogen bonding causes water to have slightly negativity and slightly positive ends. [6:46]