Which of the following is responsible for sensing excessive stretch to protect the muscle? A. Golgi tendon organ
B. Muscle spindle
C. Muscle fiber
D. Sarcomere

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.