Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?

Cov txheej txheem:

Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?
Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?

Video: Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?

Video: Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?
Video: Lub Sijhawm 2024, Kaum ib hlis
Anonim

Thaum kev cog lus, Ib pawg ntawm cov sarcomer luv. Actin thiab myosin ua kom luv thaum cov leeg mob.

Yuav ua li cas tshwm sim hauv sarcomere thaum cov leeg nqaij contraction?

Thaum (a) sarcomere (b) cog lus, Z kab txav los ze zog ua ke thiab kuv pawg me me. Lub A band nyob twj ywm tib qhov dav thiab, ntawm tag nrho cov contraction, cov nyias nyias sib tshooj. Thaum lub sarcomer luv luv, qee thaj tsam luv thaum lwm tus nyob tib qhov ntev.

Yuav ua li cas hauv qab no tshwm sim thaum kev cog lus sarcomere?

Thaum (a) sarcomere (b) cog lus, Z kab txav los ze zog ua ke thiab kuv pawg me me. Lub A band nyob twj ywm tib qhov dav thiab, ntawm tag nrho cov contraction, cov nyias nyias sib tshooj. Thaum lub sarcomer luv luv, qee thaj tsam luv thaum lwm tus nyob tib qhov ntev.

Yuav ua li cas rau txhua tus sarcomere thaum lub sij hawm kev cog lus quizlet?

Dab tsi tshwm sim hauv sarcomere thaum lub sijhawm cov leeg nqaij? - sarcomere shortens bc ntawm nce sib tshooj ntawm THIN & THICK filaments, tab sis ntev ntawm filaments tsis hloov !!!

Yuav ua li cas yog cov kauj ruam ntawm sarcomere contraction?

  • Depolarisation thiab Calcium Ion tso tawm. Ib qho kev ua muaj peev xwm los ntawm lub cev muaj zog neuron ua rau kev tso tawm ntawm acetylcholine rau hauv lub tshuab kawg phaj. …
  • Actin thiab Myosin Cross-Bridge Tsim. …
  • Sliding Mechanism ntawm Actin thiab Myosin. …
  • Sarcomere Shortening.

Pom zoo:

Thaum cov leeg nqaij contraction twg cov khoom ntawm cov sarcomere luv?

Thaum cov leeg nqaij contraction twg cov khoom ntawm cov sarcomere luv?

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?

Lub sijhawm twg ntawm cov theem hauv qab no ntawm cov txheej txheem tswj hwm?

Lub sijhawm twg ntawm cov theem hauv qab no ntawm cov txheej txheem tswj hwm?

Plaub theem ntawm kev tswj hwm kev lag luam yog qauv, kev siv, kev tshuaj xyuas thiab hloov kho . Yuav ua li cas hauv qab no yog ua nyob rau hauv lub tswv yim tsim theem ntawm cov txheej txheem tswj lub tswv yim? leej twg ntawm cov hauv qab no tau ua nyob rau hauv lub tswv yim tsim theem ntawm cov txheej txheem tswj hwm?

Lub sijhawm redox tshwm sim dab tsi tshwm sim?

Lub sijhawm redox tshwm sim dab tsi tshwm sim?

Dab tsi tshwm sim hauv Oxidation-Reduction (Redox) Reaction? Electrons raug xa los ntawm ib qho reactant mus rau lwm qhov thiab oxidation xeev / oxidation naj npawb oxidation tooj Qhov nce hauv oxidation lub xeev ntawm atom, los ntawm cov tshuaj tiv thaiv, hu ua oxidation;

Thaum lub sijhawm tsim cov coke twg ntawm cov hauv qab no tau txais los ntawm cov khoom lag luam?

Thaum lub sijhawm tsim cov coke twg ntawm cov hauv qab no tau txais los ntawm cov khoom lag luam?

Coal tar: Nws tau los ua cov khoom lag luam hauv cov txheej txheem ntawm kev ua coke . Coke yog ib qho khoom los ntawm dab tsi? Cov lus tsis tsim nyog "coke" feem ntau yog hais txog cov khoom lag luam los ntawm qis-ash thiab qis-sulphur bituminous thee los ntawm txheej txheemhu ua coking.

Lub sijhawm photorespiration poob ntawm co2 tshwm sim nyob rau hauv cov organelle twg?

Lub sijhawm photorespiration poob ntawm co2 tshwm sim nyob rau hauv cov organelle twg?

Cov txheej txheem photorespiration tshwm sim hauv peb lub cev loj hauv cov theem ua ntu zus. Muaj chloroplasts, mitochondria, thiab peroxisomes. Yog li, xaiv A- Chloroplast, peroxisomes, thiab mitochondria yog cov lus teb raug . Yuav ua li cas rau CO2 hauv photorespiration?