[Free Registration/Login may be required to access all resource tools.] DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. DNA replication occurs during the S...

[Free Registration/Login may be required to access all resource tools.] Module describes how DNA's structure and function was discovered while summarizing the process of DNA replication. This activity also explains Chargaff's rules and...

[Free Registration/Login may be required to access all resource tools.] Describes how DNA's structure and function was discovered.

[Free Registration/Login may be required to access all resource tools.] Describes how DNA's structure and function was discovered.

A nice tutorial on DNA structure. The menu at the bottom allows you to view some different information.

The learning module helps students gain a deeper understanding of the structure and function of DNA.

Students are introduced to genetic techniques such as DNA electrophoresis and imaging technologies used for molecular and DNA structure visualization. In the field of molecular biology and genetics, biomedical engineering plays an...

Instructional module focusing on the physical structure of DNA. Discussion incorporates the description of the nucleotides, base pairs, and the double helix shape of a DNA molecule. Site also includes an interactive practice quiz and...

Video describing the structure and function of the DNA molecule. [4:27] Includes a short quiz and a list of additional resources to explore.

At DNA from the Beginning, choose from classical genetics, molecules of genetics, genetic organization and control. Each concept is explained through animation, an image gallery, video interviews, biographies and links.

This video explains how DNA works and what it does, relating it to an instruction manual for building an organism. [4:29] Followed by a short quiz and a list of additional resources to explore.

[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of nucleic acids.

This site is provided for by DNA Interactive. The genome is the entire endowment of genetic information. It is the "Book of life," on an organism. This site demonstrates the methods used to map and sequence the human genome and to...

[Free Registration/Login may be required to access all resource tools.] Discusses the structure and role of nucleic acids.

[Free Registration/Login may be required to access all resource tools.] Overview of RNA and its three main types.

[Free Registration/Login may be required to access all resource tools.] Students can watch a video, read some informational text and key vocabulary terms, and answer review questions about the structure of DNA.

[Free Registration/Login may be required to access all resource tools.] This concise article complete with labeled diagrams, key vocabulary terms, and review questions illustrates DNA replication.