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Animal Husbandry

Which protein...

Question

Which protein actually prevents binding of actin and myosin.
1.troponin or
2.tropomyosin
There is no option like both so preference has to be given to any one

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Solution

tropomyosin

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Similar questions

Actin binding sites are located on

(i) Myosin

(ii) Tropomyosin

(iii) Troponin

Q. Tropomyosin is found on myosin whereas, troponin is found on actin filament.

Q. Assertion: Calcium ions play a crucial role in muscle contraction.
Reason: Calcium ions bind troponin causing the displacement of tropomyosin, allowing the myosin head to bind actin.
Select the appropriate option:

Q. Read the following statements:

(a) Each thin filament is made of two F-actins.

(b) Each G-actin is polymer of F-actins.

(c) Two filaments of tropomyosin run close to the F-actins throughout it's length.

(d) Troponin is distributed at irregular internals on the tropomyosin.

(e) During contracted state a subunit of troponin masks the actin binding sites for myosin on the actin filaments.

Choose the correct statement(s).

Arrange the changes during muscle activation as they happen

1. Calcium level increases.

2. Calcium level decreases.

3. Troponin and tropomyosin move to allow myosin to bind to actin.

4. The cross bridge cycle begins.

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