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Ugo [173]
3 years ago
14

What are the light and dark bands in muscles?

Biology
2 answers:
Ber [7]3 years ago
7 0
They are the skeletal muscle tissues
klasskru [66]3 years ago
6 0

Answer:

In between the A bands is a light area where there are no thick myofilaments, only thin actin filaments. These are called the I Bands. The dark bands are the striations seen with the light microscope. When a muscle contracts the light I bands disappear and the dark A bands move closer together.

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