Science, asked by curiousminds67, 9 months ago

what are dark blobs in a heart muscle tissue ?

Answers

Answered by anuragrawat752

Answer:

The dark bands represent areas of thick protein filaments made of myosin proteins that block light passing through the cell and appear dark. ... When the muscle fibers contract, myosin pulls the actin filaments together like an accordion to shrink the muscle cell and make it contract

Answered by ksonakshi70

Answer:

It represents the area of thick filament made of myosin proteins that block light passing through the cell and appears dark...

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