Showing posts with label Ti. Show all posts
Showing posts with label Ti. Show all posts

Tuesday, December 10, 2024

Split Pea DNA Extraction

 The Co-op Biology class was able to finish three trials of the DNA extraction.  We used a blender, mortars and pestles, and even hammers to pound split peas. (It’s a larger class.). The two girls got spectacular results.  I believe they read and followed directions.  Add a bit more meat tenderizer than specified.  Pour the alcohol down the side of the beaker or test tube.  The girls repeated trials using different dish detergents and percents of alcohol.  The rest repeated the experiment until they got some DNA.  The white clumps or strands are DNA.










Start with a Book!

 I’m a fan!  I love to center a science lesson around a book.   Start with a Book  (SWAB) has hundreds of ideas.  Explore  Topics , such as ...