Before biotechnology was used,the main problem with clotting factor isolated from donated blood was
A) there was too little clotting factor present in each sample.
B) contamination by HIV.
C) clotting factor from one individual would not work in another individual.
D) contamination by bacteria.
E) the process led to destruction of the factor.

Question

Quizplus · Accepted Answer

The main problem with clotting factor isolated from donated blood before biotechnology was contamination by HIV, which was a major concern in the 1980s and 1990s before effective screening methods were put in place.

Before Biotechnology Was Used,the Main Problem with Clotting Factor Isolated