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Contractile unit of muscle is part of myofibril between

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Important Questions on Locomotion and Movement

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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 4
The number of thick myofilaments (myosin) surrounding a single thin myofilament (actin) are
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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 5
At rest when muscle is relaxed, the thin filaments interdigitate with the thick filaments
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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 6
The ion that must be present in adequate amount for binding of myosin with actin to form cross bridges is
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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 7
In which category of muscle fibres, can contraction be regulated by acetylcholine neurotransmitter?
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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 8
According to sliding filament theory of muscle contraction, the filament that moves to shorten a muscle is
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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 9
Anaerobic work becomes painful due to accumulation of
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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 10

The two ends of the muscles are attached to bone with the help of____.

Select the option which fills the blanks correctly.

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Gamma Question Bank for Medical Biology>Chapter 20 - Locomotion and Movement>EXERCISE>Q 11
Which bone is called the keystone of the cranial floor?