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Sliding filament theory can be best explained as:

1.	when myofilaments slide past each other, actin filaments shorten while myosin filament does not shorten
2.	actin and myosin filaments shorten and slide past each other
3.	actin and myosin filaments do not shorten but rather slide pass each other
4.	when myofilaments slide past each other, myosin filaments shorten while actin filaments do not shorten

Subtopic: Sliding Filament Theory |

52%

Level 3: 35%-60%

NEET - 2015

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During muscle contraction in humans the:

1.	Sarcomere does not shorten	2.	A band remains the same
3.	A, H and I bands shorten	4.	Actin filaments shorten

Subtopic: Sliding Filament Theory |

84%

Level 1: 80%+

NEET - 2013

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