Each Myofibril Consists of Approximately ________ Sarcomeres

Question

Each myofibril consists of approximately ________ sarcomeres.
A)10
B)500
C)10,000
D)100,000
E)2-3 million

Accepted Answer

Each myofibril is composed of repeating units called sarcomeres. On average, a sarcomere is about 2.5 micrometers long, and each myofibril contains approximately 10,000 sarcomeres.