DNA Replication and Protein Synthesis
DO THIS FIRST:
In order for a cell to have a complete set of chromosomes at the end of mitosis or half a set of chromosomes at the end of meiosis, the DNA must replicate itself. Complete the mitosis versus meiosis organizer using this PBS website How Cells Divide. You do not need to copy word for word. Use short summary statements.
After completing the organizer, use the following links to understand how DNA replication takes place.
Step 1. A DNA Replication Tutorial
http://www.johnkyrk.com/DNAreplication.html
Step 2. Detailed Animation of the Replication Process
http://www.fed.cuhk.edu.hk/~johnson/teaching/genetics/animations/dna_replication.htm
DNA carries the code that cells need to make substances such as proteins. Use the following links to understand how DNA and RNA work together to direct protein synthesis.
Step 3. Protein Synthesis Tutorial
http://www.lewport.wnyric.org/jwanamaker/animations/Protein%20Synthesis%20-%20long.html
Step 4. Now you are ready to use the DNA Workshop. In addition to the activity, there are links at the bottom of the page to tutorial sections if you need more help.
http://www.pbs.org/wgbh/aso/tryit/dna/
Scientists need large quantities of DNA for experiments and for testing. Use the following link to find out how they use bacteria to generate copies of a DNA segment. Read and click on “Sequence for Yourself”
Step 5. How Scientists Extract and Replicate DNA for Experimentation
http://www.pbs.org/wgbh/nova/genome/sequencer.html#