A little therapy.
A little therapy.
What do these two purple rectangles represent?
What does the pentagon represent?
What does the circle represent?
What does the rectangle represent? In general and specifically.
What do the dotted lines represent?
Adding a DNA nucleotide.
Which enzyme does this?
Why is it added here?
Which kind of bond is this?
One DNA strand is forming here.
Which enzyme must be present to add another one?
Two DNA strands.
What is correct here?
What is wrong here?
A model of ONE gene.
Getting started.
Why is it on ice?
Purified DNA.
What is the source of this DNA?
What is another name for this?
What function did this serve?
Notice the two layers of liquid.
What is in each layer?
What is visible at the junction of the two layers (Hint: Don't say the
glass rod ... the glass rod is above the junction!)
What is stuck to the glass rod?
Results from the above.
What is in the test tube?
What effect does boiling have?
The results after boiling.
An eppendorf tube on ice labeled DNAse.
Why keep it on ice?
On ice again. Exactly what is in this vial?
Nuclear suspension before treating it in any way.
What will happen when you add SDS to this?
Results from the above.
One comparison of two treatments from one lab group.
On the left is their DNAse result and on the right is their nuclear suspension result.
Explain this result.
Photos by Steve Muzos © Austin Community College
Last updated by Steve Muzos September 13, 2002
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