Tuesday, January 21, 2014

BIO125, Jan 21, 2014, MSH2, serial dilution with graphing paper and playdough

1.5 hours spent on going over reading assignments, the abstract of Gammie Genetic 2007. 
PubMed usage

I used beads again to explain microsatellite and replication errors.

I spent about 40 minutes on sequence alignment, conservation to explain 'cognant' sites.
I use different models of cars to explain that 'wheels' and 'driver seat' are conserved, but the 'back seat' are not.

>1hour on serial dilution with graphing paper and playdough. 10X, 1X, 0.1X
Some students have trouble to understand 10X and 1X and how are connection to absolute concentrations.
C1V1 = C2V2
When applying the mass conservation formula, some students have trouble to decide which volume should the unknown.
Annoucement: read protocol 3.3, mathbench assignment 3.1 for quiz on Thursday. 

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