NIBIN makes the final determination about whether or not two ...

[Lisaclaire]

NIBIN makes the final determination about whether or not two bullets were fired by the same gun.
 
  a. True b. False

Question 2

The presence of what protein proves that a sample stain contains semen? What two techniques are used to detect this protein?
 
  What will be an ideal response?

[briezy]

Answer to Question 1

b

Answer to Question 2

The presence of prostate specific antigen (PSA), or p30, proves that a sample stain contains semen. Two techniques used to detect this protein are electrophoresis and monoclonal antibody testing.

[Lisaclaire]

Excellent

[connor417]

YES! Correct, THANKS for helping me on my review