This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Myosin filament has a fixed length of 
Select and explain. 
A. 0.16nm, B. 1.6 microm, C. 16nm, D. 1.6mm
B: 1.6 microm
Answer: B: 1.6 microm 
Explanation: Myosin filament is about 1.6 micrometers in length Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:85,86,87,88