Question Detail
Question
Where is thrombokinase, important in clotting, synthesized?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Thrombokinase (also known as thromboplastin) is an enzyme complex. Like all proteins, it is synthesized on ribosomes. While its specific cellular source can vary (e.g., damaged endothelial cells, platelets, or tissues releasing it), the site of its synthesis is the ribosome.
Hint
Where are all proteins assembled in the cell?