Muscles Flashcards by Chloe Harris

Q

explain why glycogen granules are present in striated muscle. (2 marks)

A

glycogen broken down to produce glucose
glucose used in respiration to produce ATP
glycogen is insoluble so has no osmotic effect

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Q

during muscle contraction what happens to the lengths of:
- A band
- H zone
- I band

A

A band stays the same
H zone decreases
I band decreases

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Q

why is creatine

A

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