Multiple myosin II molecules tsim kom muaj zog hauv cov leeg pob txha los ntawm lub zog stroke mechanism fueled los ntawm lub zog tso tawm los ntawm ATP hydrolysis. … Qhov tso tawm ntawm ADP molecule ua rau lub xeev hu ua nruj me ntsis ntawm myosin. Kev khi ntawm ATP molecule tshiab yuav tso myosin los ntawm actin.
Actin thiab myosin nyob qhov twg?
Nyob rau qhov kawg ntawm mitosis hauv cov tsiaj hlwb, lub nplhaib contractile uas muaj cov actin filaments thiab myosin II sib sau ua ke nyob rau hauv qab lub plasma membrane.
pom myosin nyob qhov twg?
Txawm hais tias feem ntau myosins ua haujlwm raws li lub cev muaj zog hauv cytoplasm, qee hom myosin tau nyob rau hauv, thiab ua haujlwm hauv, lub nucleus. Nuclear Myosin I (NMI), myosin II, myosin V, myosin VI, myosin XVIB thiab myosin XVIIIB tau pom tag nrho hauv cov nucleus [23][24][25], nrog NMI yog qhov feem ntau kawm.
Actin thiab myosin yog dab tsi?
Qhov saum npoo ntawm myosin yog ntxhib. Actin filaments yog tsim los ntawm actin, tropomyosin, thiab troponin proteins. Myosin filaments yog muaj cov myosin thiab meromyosin proteins.
Yuav ua li cas cov protein ua myosin tsim?
Section 18.3Myosin: Lub Actin Motor Protein. Txawm hais tias cov hlwb tuaj yeem siv cov polymerization ntawm actin los tsim qee hom kev txav mus los, ntau lub cellular txav nyob ntawm kev sib cuam tshuam ntawm actin filaments thiab myosin, ATPase uas txav raws actin filaments los ntawm kev sib txuas ntawm cov actin filaments thiab myosin.hydrolysis ntawm ATP rau kev hloov pauv.
