What is the relationship between the "A" and "I" bands in a myofibril?

What is the relationship between the "A" and "I" bands in a myofibril?
  1. They are found in separate myofibrils
  2. They are both located in the middle of the myofibril
  3. They are arranged alternately throughout the length of the myofibril
  4. They are both found only in the "H" zone

Solution

The "A" and "I" bands are arranged alternately throughout the length of the myofibril.

Asked in: NCERT

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