Nyob rau hauv cov leeg nqaij contraction, the myosin taub hau rub cov actin filaments mus rau ib leeg ua rau ib tug luv luv sarcomere. Thaum I band thiab H cheeb tsam yuav ploj lossis luv, qhov ntev A band yuav nyob twj ywm tsis hloov.
Dab tsi ntawm cov leeg nqaij luv thaum lub sij hawm contraction?
H cheeb tsam- thaj tsam nruab nrab ntawm thaj tsam A-muaj cov tuab tuab nkaus xwb thiab luv luv thaum lub sijhawm cog lus. I band tsuas muaj nyias nyias thiab luv.
Dab tsi ua rau lub sarcomere luv thaum lub sij hawm contraction?
B: Nrog kev cog lus, kev txav ntawm cov filaments nyias mus rau qhov chaw ntawm lub sarcomere tshwm sim, thiab vim tias cov filaments nyias tau txav mus rau Z disks, lawv lub zog ua rau luv luv. lub sarcomere.
Cov qauv dab tsi ntawm sarcomere luv luv thaum lub sij hawm cov leeg nqaij quizlet?
Thick filaments pom nyob rau hauv nruab nrab ntawm lub sarcomere, overlapped los ntawm nyias filaments hla ib leeg thaum contraction txo qhov kev ncua deb ntawm Z kab, shortening lub sarcomere. Lub cheeb tsam ntawm qhov chaw nruab nrab ntawm ib pawg ntawm cov sarcomere uas yog tsim los ntawm myosin nkaus xwb.
Yuav ua li cas rau sarcomere thaum cov leeg cog lus?
Rau cov leeg nqaij kom cog lus, sarcomere yuav tsum luv. Txawm li cas los xij, tuab thiab nyias filaments-cov khoom ntawm sarcomeres-tsis luv. Hloov chaw, lawv swb los ntawm ib leeg, ua rau lub sarcomere luv thaum cov filaments tseem nyob ntev.
