2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
A sarcomere yog txhais raws li qhov kev ncua deb ntawm ob qhov sib law liag Z discs lossis Z kab; Thaum cov leeg sib cog lus, qhov kev ncua deb ntawm Z discs raug txo. H thaj tsam- thaj tsam nruab nrab ntawm thaj tsam A-tsuas yog cov tuab tuab thiab luv luv thaum lub sijhawm cog lus.
Dab tsi ntawm cov leeg nqaij luv thaum lub sij hawm contraction?
Rau cov leeg nqaij kom sib cog lus, tus 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.
Tus qauv ntawm tus sarcomere luv luv thaum lub sij hawm cov leeg nqaij contraction 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. Koj nyuam qhuav kawm 50 nqe lus!
Qhov twg ob thaj tsam ntawm sarcomere luv luv thaum cov leeg cog lus quizlet?
Txhua pawg thiab thaj chaw ntawm cov sarcomere luv thaum lub sij hawm contraction tsuas yog A-band, uas yog tag nrho ntev ntawm cov tuab tuab.
Yuav ua li cas cov tshuaj yuav tsum muaj nyob rau hauv ib tug sarcomere Yuav kom cov leeg nqaij contraction tshwm sim?
Yuav kom cov pob txha pob txha tshwm sim;
- Yuav tsum muaj neuralkev txhawb zog.
- Yuav tsum muaj calcium hauv cov leeg nqaij.
- ATP yuav tsum muaj rau lub zog.
Pom zoo:
Nyob rau hauv cov leeg nqaij contraction cross-bridges tsim ntawm?
Yog tias tam sim no, calcium ions khi rau troponin, ua rau muaj kev hloov pauv hauv troponin uas tso cai rau tropomyosin txav deb ntawm myosin binding qhov chaw ntawm actin. Thaum cov tropomyosin raug tshem tawm, tus choj hla tuaj yeem tsimnruab nrab ntawm actin thiab myosin, ua rau kev cog lus.
Lub sijhawm cov leeg nqaij leeg lub zog yog muab los ntawm?
Lub hauv paus ntawm lub zog uas siv los ua lub zog txav ntawm kev sib cog lus hauv cov leeg ua haujlwm yog adenosine triphosphate (ATP)- lub cev txoj kev biochemical khaws cia thiab thauj lub zog. Yuav ua li cas muab lub zog rau cov leeg nqaij?
Puas cov leeg luv thaum lub sij hawm contraction?
Ib qho kev sib cog lus ua rau cov leeg ua kom luv, yog li tsim lub zog. Eccentric contractions ua rau cov nqaij ntshiv elongate nyob rau hauv teb rau ib tug ntau dua opposing quab yuam. Isometric contractions ua rau lub zog tsis hloov qhov ntev ntawm cov leeg.
Nkauj instrumental dab tsi qhia cov duab los qhia ib zaj dab neeg luv luv uas tsis muaj ntawv sau los yog lus?
Program music is an instrumental composition that conveys images or scenes to tell a short story without text or lyrics.It entices the idea of the listener. … Cov lus piav qhia nws tus kheej tuaj yeem muab rau cov neeg tuaj saib hauv daim ntawv sau tseg, caw kev xav txog kev sib raug zoo nrog lub suab paj nruag.
Yuav ua li cas cov leeg nqaij contraction yog tus sarcomer luv tshaj?
Qhov twg ntawm cov leeg nqaij tuaj yeem piav qhia tias yog qhov luv tshaj sarcomere?? Lo lus teb yog: " zog stroke" kauj ruam. Yuav ua li cas rau sarcomere thaum contraction? Rau cov leeg nqaij kom cog lus, tus sarcomere yuav tsum luv.
