SM. 5 Bases Moleculares de La Contraccion Muscular
July 4, 2022 | Author: Anonymous | Category: N/A
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Sjlvcrslnfn Jfbl`jfi Futòj`kf nc Jlbfrfmuf SJFJ ‒ Kfjfmuf Xcbljt` Sjlvcrsltfrl` Xuhìj Nfrë` Ofbuitfn nc Blcjblfs Kìnlbfs Kcnlbljf Ljtcmrfjtcs1 Hr. Fsdiy Filjf Rcvliif Wìrcz. Hr. Nfrlfks Jlb`ic Rfk`rl` Mfi`. Hr. Cicjltf Rusfjf Xulz Iòpcz. Hr. Mlsscii nci R`b`rr` W`rt`hfjb` Kflrcjf. Hr. Afs`j A`sì X`bdf Afrquëj.
86-72686-4. 86-72287-7. 86-722?7-3. 86-72246->. 87-7>48>-?. 86-72687-=. 86-726==-?777 m/k`i. ^lcjc dcjnlnurfs cj o`rkf nc S. Rltl` nc ujlòj fi F^W. W`scc 8 n`kljl`s b`j > suhn`kljl`s. Ru fmrupfblòj pcrkltc if brcfblòj nc i`s olifkcjt`s nc fbtljf.
Kl`sljf1 rcprcscjtf ci 33% nc if pr`tcëjf nci kusbui` y o`rkf i`s ilmfkcjt`s mrucs`s ` hfst`jblii`s. Bfrfbtcrëstlbfs cstrubturfics1
K`iìbuif fslkìtrlbf.
Wcs` k`icbuifr nc >47,777m/k`i
W`scc bfhczfs mi`huifrcs y b`ifs olhrlifrcs.
Rc o`rkf p`r ? bfncjfs1 8 pcsfnfs y > ilmcrfs.
2‗ °Buæi cs if ujlnfn oujbl`jfi oujbl`jfi nci kusbui` csquciìtlb`0
If ujlnfn oujbl`jfi nci kusbui` csquciìtlb` cs if ncj`kljfnf olhrf kusbuifr, cs ujf p`rblòj nc i`s kñsbui`s b`kpucstf nc bìiuifs quc vfrëfj ncpcjnlcjn` nci òrmfj` cj quc sc cjbucjtrf. Ci bufi nc fbucrn` f if bfpfblnfn nc b`jtrfbblòj quc p`scc ci kusbui` nc ifs cxtrcklnfncs y ci tr`jb`, sc nlvlncj cj olhrfs hifjbfs, r`afs c ljtcrkcnlfs. >‗ Ncsbrlhf if cstrubturf nci sfrbòkcr`
Ci sfrbòkcr` sc ncoljc b`k` if ujlnfn oujbl`jfi y fjftòklbf nci kusbui` cstrlfn`, cs ncblr, ci ljv`iujtfrl`. R`j ujf scrlc nc ujlnfncs rcpctlnfs quc nfj iumfr f cstrubturfs k`ro`iòmlbfs ncj`kljfnfs kl`olhrliifs, y tfi vcz scfj ifs cstrubturfs kfbr`k`icbuifrcs kfs `rncjfnfs cj t`nf if tlp`i`mëf bciuifr cubfrl`tf. Cj if b`kp`slblòj nci sfrbòkcr` ncstfbfj n`s cickcjt`s hl`iòmlb`s nc cscjblfi lkp`rtfjblf quc yf dck`s j`khrfn`1 if fbtljf y if kl`sljf. Ci sfrbòkcr` tfkhlìj cstc b`kpucst` p`r uj b`jaujt` nc hfjnfs quc sc ncspifzfj cj ci k`vlklcjt` b`jtræbtli. Cj ifs hfjnfs tcjck`s ifs slmulcjtcs1
Hfjnf F1 hfjnf b`kpucstf p`r olifkcjt`s mrucs`s nc kl`sljf y olj`s nc fbtljf. Cj su ljtcrl`r sc cjbucjtrf if z`jf D y if K. Hfjnf L1 hfjnf b`kpucstf p`r olifkcjt`s olj`s nc fbtljf. Nlsb`s Q1 fquë sc cjbucjtrfj ujlnfs ifs fbtljfs fnyfbcjtcs y sc kfjtlcjc if b`jtljulnfn b`j ci sfrbòkcr` suhslmulcjtc.
@trfs pfrtcs quc b`kp`jcj ci sfrbòkcr` s`j ifs1
^r`p`kl`sljf1 pr`p`rbl`jfj cstfhlilnfn f i`s olifkcjt`s y rcmuifj ci fbbcs` nc `trfs pr`tcëjfs quc sc ujcj f if fbtljf. ^r`p`jljf1 cs uj b`kpica` nc pr`tcëjfs cstrubturfics y rcmuifn`rfs nc if b`jtrfbblòj nci kusbui` bfrnlfb` y csquciìtlb`.
3‗ Cxpilquc if tc`rëf nci olifkcjt` olifkcjt` ncsilzfjtc
Nc kfjcrf hrcvc, if tc`rëf nci olifkcjt` ncsilzfjtc cxpilbfnf p`r Klmuci Kfofinf (8762) cstfhicbc1 ¨U…[Ci ncsilzfklcjt` nc if fbtljf pfsfjn` s`hrc kl`sljf mcjcrf tcjslòj kusbuifr. Nchln` f quc if fbtljf cstf ftfnf f ifs cstrubturfs sltufnfs cj i`s cxtrck`s iftcrfics nc bfnf sfrbòkcr` iifkfn` nlsb`s Q, bufiqulcr fb`rtfklcjt` nc if i`jmltun nc i`s olifkcjt`s nc fbtljf nfrëf iumfr f uj fb`rtfklcjt` nci sfrbòkcr` y p`r i` tfjt` nci kusbui`¨. ?‗ °Buæi cs ci pfpci pfpci nci F^W F^W cj if b`jtrfbblòj kusbuifr0
Ci F^W (fncj`sëj trlo`soft` ` trlo`soft` nc fncj`sëj) cs if oucjtc nc cjcrmëf prljblpfi pfrf if kfy`rëf nc i`s pr`bcs`s bciuifrcs. Nchln` f if prcscjblf nc ilmfz`jcs ljcstfhics, nc fitf cjcrmëf cj F^W, sc dlnr`ilzf oæblikcjtc cj rcfbbl`jcs pfrf ilhcrfr ujf mrfj bfjtlnfn nc cjcrmëf. Ci rctlr` cjzlkætlb` nc uj mrup` nci o`soft` nci F^W pfrf o`rkfr hfafs nci FNW ujf cj`rkc bfjtlnfn nc cjcrmëf utlilzfnf p`r if bìiuif cj vfrl`s pr`bcs`s kctfhòilb`s, fsë b`k` cj if sëjtcsls nc kfbr`k`iìbuifs tfics b`k` pr`tcëjfs. Cstc cs brëtlb` pfrf if b`jtrfbblòj nc kñsbui`s5 ftf f if kl`sljf pfrf `orcbcr cjcrmëf y pfrf ofbliltfr su ftfsbfklcjt` f if fbtljf pfrf o`rkfr uj pucjtc bruzfn`. Ci FNW y ci o`soft` cjt`jbcs sc ilhcrfj y i`s ifz`s jucv`s nc ujf k`iìbuif nci F^W f if kl`sljf. Cst` r`kpc ci pucjtc bruzfn` cjtrc if kl`sljf y i`s olifkcjt`s nc fbtljf. = ‗ Cxpilquc if dlnr`ilsls nci F^W F^W
If dlnr`ilsls nc F^W cs ci pr`bcs` nc rcfbblòj bftfhòilbf p`r ci bufi if cjcrmëf quc sc df fikfbcjfn` cj i`s cjifbcs nc o`soft` nc fitf cjcrmëf cj ci trlo`soft` nc fncj`sljf sc ilhcrf fi nlvlnlr cst`s cjifbcs, p`r cackpi`, fi pr`nublr trfhfa` cj o`rkf nc cjcrmëf kcbæjlbf. Ci pr`nubt` cs fncj`sëj nlo`soft` (FNW) y uj o`soft` lj`rmæjlb` `rt`o`soft`. If bfjtlnfn nc if cjcrmëf ilhcrfnf ncpcjnc nc ifs b`jnlbl`jcs cj ujf bìiuif pfrtlbuifr, cspcbëolbfkcjtc nc ifs b`jbcjtrfbl`jcs nc F^W, FNW y Wl.
Cstrubturf quëklbf nci F^W \ FNW, rcspcbtlvfkcjtc.
4 ‗ °Buæi cs ci pfpci pfpci nci bfibl` cj if b`jtrfbblòj kusbuifr0
Wfrf ljlblfr if b`jtrfbblòj kusbuifr, i`s bfjfics nc bfibl` prcscjtcs cj if kckhrfjf nci rctëbui` sfrb`piæsklb` sc fhrcj p`rquc f trfvìs nc i`s tñhui`s ^ ljmrcsf ci p`tcjblfi nc fbblòj ncsnc ci sfrb`ickf (kckhrfjf nc if olhrf kusbuifr), pcrkltlcjn` quc cstc bfibl` pfsc fi sfrb`pifskf y sc ujf f if suhujlnfn B nc if tr`p`jljf. Ci bfibl` dfbc quc ifs vcsëbuifs, b`jtcjlcjn` ci jcur`trfjskls`r iifkfn` fbctlib`iljf, sc ujfj f if kckhrfjf bciuifr nc if jcur`jf, ilhcrfjn` if fbctlib`iljf fi cspfbl` sljæptlb` n`jnc sc cjbucjtrf if jcur`jf b`j if olhrf kusbuifr. If ujlòj nci bfibl` f i`s sltl`s nc hfaf foljlnfn nc if tr`p`jljf B ilhcrf if tr`p`kl`sljf nc su p`slblòj nc hi`quc`, pcrkltlcjn` quc if kl`sljf fbtñc b`j if fbtljf y mcjcrc oucrzf.
78>==4&p`slbl`j;>
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