The phenolphthalein test mentioned in question 14 is 

What is the color observed when a sample is positive when presumptively testing for feces, as discussed in class?

What is the color observed in a sample positive for urine, as discussed in class?

On the blank sheet of paper provided, calculate and complete the following serial dilutions created. A stock solution with an initial concentration of 200.2ng/ was used to start the series. Now calculate the volume of solute, and the volume of solvent needed to create each solution tube in the following dilution series. Show all you’re your work and do not forget your units!   Tube Volume of final solution Concentration of final solution 1 43.6l 163.5ng/l 2 67.8 83.9ng/ 3 96.1 62.0ng/ 4 157 8.6ng/  

The name of the enzyme present in seminal fluid is . 

Clearly define serology.

All tests conducted during lab for seminal fluid were

The ____________ pipetting method is the name of the pipetting technique used in the lab. 

Briefly explain two major differences between a presumptive and a confirmatory test. Do not use the words presumptive and confirmatory to explain.

Dilution is the decrease in the  of a solution, by adding a ,e.g. water.