Tropomyosin ua dab tsi?
Tropomyosin ua dab tsi?

Video: Tropomyosin ua dab tsi?

Video: Tropomyosin ua dab tsi?
Video: Tuag Ua Dab Tsi / by TXOS LAUJ / Nkauj Tawm Tshiab 2021 Official 2024, Cuaj hlis
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Tropomyosin yog protein ntau koom nrog hauv cov leeg pob txha caj qaum thiab uas qhwv ib ncig ntawm actin thiab tiv thaiv myosin los ntawm rub nws. Qhov no tiv thaiv cov leeg nqaij kom txog thaum lub teeb liab tsim nyog tuaj txog. Thaum lub paj hlwb qhia cov leeg nqaij kom sib cog lus, calcium yog tso tawm

Tsis tas li, lub luag haujlwm ntawm troponin thiab tropomyosin yog dab tsi?

Troponin yog txuas nrog cov protein tropomyosin thiab nyob hauv qhov zawj ntawm actin filaments hauv cov leeg nqaij. Nyob rau hauv ib tug relaxed nqaij, tropomyosin thaiv qhov chaw txuas rau myosin crossbridge, yog li tiv thaiv kev cog lus.

Qhov thib ob, lub luag haujlwm ntawm troponin yog dab tsi? Cov lub luag haujlwm ntawm troponins nyob rau hauv cov leeg nqaij contraction. Troponin (Tn) yog sarcomeric Ca2 + regulator rau striated (skeletal thiab plawv) leeg nqaij contraction. Ntawm kev khi Ca2+ Tn xa cov ntaub ntawv ntawm cov qauv kev hloov pauv thoob plaws actin-tropomyosin filaments, ua kom muaj kev ua haujlwm myosin ATPase thiab cov leeg sib zog.

Yog li, yuav muaj dab tsi tshwm sim yog tias tsis muaj tropomyosin?

Yog tropomyosin thiab troponin malfunctioned, cov leeg yuav tsis muaj peev xwm cog lus. Kuj yog lub malfunction ntawm tropomyosin thiab troponin poob nws cov khoom sib khi, cov leeg yuav ib txwm nyob hauv lub xeev muaj zog ntawm kev cog lus. Troponin thiab tropomyosin yog cov neeg tseem ceeb hauv kev txo qis ntawm cov leeg.

Lub luag haujlwm ntawm tropomyosin quizlet yog dab tsi?

Tropomyosin yog ib qho kev tswj hwm cov protein uas yog ib feem ntawm cov filament nyias; thaum lub cev nqaij daim tawv tau so, tropomyosin npog myosin-binding qhov chaw ntawm actin molecules, yog li tiv thaiv myosin los ntawm kev khi rau actin.

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