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

question 25

Multiple Choice

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.

---

Definitions:

Thrombocyte

Another term for platelet, a cell fragment in the blood essential for clotting and wound repair.

Erythrocyte

A red blood cell that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Granulocyte

A type of white blood cell characterized by the presence of granules in its cytoplasm, which are visible under a microscope; it plays a major role in the body's defense against infection.

Agranulocyte

A type of white blood cell that lacks granules in its cytoplasm, such as lymphocytes and monocytes, playing essential roles in the immune system.