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Course: Cambridge AS & A Level Biology 9700 ...
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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/33

17-18 · Selection, Evolution, Classification and Conservation

0/70

19 · Genetic Technology

0/44
Quiz

15.1.12 Sliding Filament Model of Muscular Contraction – Unit exam questions

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1.
Muscle contraction is powered by ATP. True or false?
False
False, it uses glucose directly
True
True only in the heart
2.

ATP is needed in muscle contraction to

bind calcium to troponin
shorten actin
detach the myosin head from actin and re-set it
make the action potential
3.

During muscle contraction, calcium ions bind to

troponin
tropomyosin
myosin
actin directly
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