KCET 2016 Biology Solved Paper

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Question : 4 of 60

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Sarcomere is the functional unit of contraction in a muscle fiber. Identify the portion of myofibril that constitute a sarcomere.

The portion of myofibril between two successive ‘Z’ line.
The portion of myofibril between two successive ‘I’ band.
The portion of myofibril between two successive ‘A’ band.
The portion of myofibril between two successive ‘M’ line.

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