Academic journal article The Science Teacher

OnScreen Gene Transcription, DNA Model, and DNA Replication Apps

Academic journal article The Science Teacher

OnScreen Gene Transcription, DNA Model, and DNA Replication Apps

Article excerpt

By OnScreen Science. $3.99 per app. OnScreen Science. Somerville, MA. 2013.

This review looks at three apps, one at a time, all offered by OnScreen Science. The apps can be run on tablets or smart-phones and connected to a projector for classroom use.

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The easy-to-use Gene Transcription app can help biology teachers illustrate the process of DNA transcription and deepen understanding of the steps and molecules that allow DNA to create proteins. The program, which has a table of contents, allows the user to go through DNA transcription using a variety of visual and written information to demonstrate the transcription process.

Included are an overview of DNA structure, the rules governing the formation of nucleotides, and more. The app also explores the essential enzymes used in the transcription process and explains the significance of nucleic acid polarity, the enzymes used in the process, and the role of messenger RNA (mRNA). All of this is easily accessed via the main screen.

OnScreen Gene Transcription provides opportunities for teachers and students to explore and expand their understanding of the transcription process. As transcription unfolds on the screen, users can hit pause and stop at each step to study the process more closely.

The second app, OnScreen DNA Model, helps students better understand the structure and chemistry of DNA. The program focuses on allowing the user to manipulate a simplified model of DNA. …

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