The ayyuka na jini membrane na cell

A jini membrane - sia bilayer da Hadakar a cikin kauri sunadarai, ion tashoshi, da kuma tsoka mai amsa sigina kwayoyin. Wannan inji shãmaki da ya raba da cytoplasm daga pericellular sarari, a lokaci guda kasancewa kadai sadarwar da waje muhalli. Kuma saboda cytolemma ne daya daga cikin mafi muhimmanci Tsarin daga cikin cell, kuma ta ayyuka da damar da shi ta wanzu da kuma hulɗa tare da wasu cell kungiyoyin.

A general shawara daga cikin ayyukan tsitolemmy

A jini membrane a cikin nau'i a cikin abin da shi ne ba a wata dabba cell, halin domin jam'i na kwayoyin daga daban-daban da mulkoki. Kwayoyin cutar da protozoa, wanda jiki ne guda cell, ne cytoplasmic membrane. Da dabbobi, fungi da kuma shuke-shuke da kwayar kwayoyin da ya ba su rasa shi a cikin shakka daga juyin halitta. Duk da haka, da daban-daban mulkokin rayayyun kwayoyin halitta tsitolemmy ɗan daban-daban, ko da yake ta yi aiki ne har yanzu wannan. Su za a iya raba uku kungiyoyin: rarraban, sufuri da sadarwa.

A rukunin rarraba ayyuka sun hada da inji kariya daga Kwayoyin, rike da siffar, kariya daga extracellular matsakaici. Matattarar kai taka aiki kungiyar ta gaban takamaiman sunadarai, ion tashoshi da kuma transporters wasu abubuwa. By tsitolemmy sadarwa ayyuka wajibi ne don gudanar da tsoka mai amsa sigina. A kan wani surface membrane tsoka mai amsa sigina gidaje tara wanzu ta hanyar da Kwayoyin suna da hannu a humoral bayanai canja wurin sunadaran. Duk da haka, yana da muhimmanci kuma cewa cytolemma kewaye da ba kawai da cell, amma kuma wasu daga ta membranous wasu gabbansa. A cikinsu, ta taka wannan rawar, kamar yadda batun na dukan cell.

shãmaki aiki

A shãmaki aiki na jini membrane mahara. Yana kare ciki cell yanayi tare da data kasance taro na sinadaran abubuwa a kan ta canje-canje. A mafita da yadawa tsari ya auku, Ina nufin kai-daidaito na taro tsakanin kafofin watsa labarai daban-daban tare da abun ciki na wani abubuwa. Plasmolemma kawai katange da hana da yadawa na ruwa halin yanzu da kuma ions a duk inda. Saboda haka, membrane ƙuntatãwa cytoplasm tare da wasu maida hankali electrolyte daga pericellular yanayi.

A na biyu magana da shãmaki aiki na jini membrane - mai kariya daga karfi acidic da karfi alkaline yanayi. Plasmolemma gina a cikin irin wannan hanya da cewa iyakar da hydrophobic sia kwayoyin fuskanci m. Domin shi ne sau da yawa ya bambanta tsakanin kwayuka da extracellular kafofin watsa labarai tare da daban-daban PH Manuniya. Wajibi ne ga cell aiki.

A shãmaki aiki na organelle membranes

A shãmaki aiki na jini membrane ne daban-daban domin su dogara a kan wurinta. A musamman karyotheca, watau sia bilayer core, kare shi daga inji lalacewar da kuma raba yanayi daga makaman nukiliya cytoplasmic. Haka kuma, shi ne ya yi ĩmãni da cewa karyotheca ne inextricably nasaba da membrane na endoplasmic reticulum. Saboda dukan tsarin yana dauke united matsayin mangaza kayyade bayanai, da furotin da rairaya tsarin da kuma tari posttranslational gyara daga cikin sunadaran. A membrane cytoplasmic networks zama dole ya kula da siffar kwayuka kai tashoshi ta hanyar abin da matsawa da gina jiki, sia carbohydrate kwayoyin.

Mitochondrial membrane kare mitochondria da plastid - chloroplast. Lysosomal membrane ma abubuwa a matsayin wani shãmaki: a ciki lysosomes m yanayi PH da kuma aiki siffofin oxygen cewa zai iya lalata Tsarin cikin cell, idan akwai ne Ribar. A membrane ne a duniya shãmaki, a lokaci guda bayar da izni da lysosomes zuwa "nike" da m barbashi da kuma takaita wuri na mataki na enzymes.

Inji aiki plasmolemma

The inji aiki na jini membrane ne ma ba uniform. Da fari dai, cytolemma kula cell siffar. Na biyu, shi ya takaita deformability na Kwayoyin, amma ba ya hana canji na siffar da flowability. A lokaci guda ƙarfafa membrane ne kuma zai yiwu. Wannan na faruwa saboda da samuwar cell ganuwar protists, kwayoyin, shuke-shuke da kuma fungi. A dabbobi, ciki har da a jinsunan mutane, cell bango ne mafi sauki, kuma ya wakilci kawai glycocalyx.

A kwayoyin cuta, shi glycoprotein a tsire-tsire - cellulose, fungi - chitin. Diatoms da kuma gaba daya saka a cikin cell bango na silica (silicon oxide), wanda muhimmanci ƙara da inji karfin da juriya Kwayoyin. Kuma kowane jiki cell bango bukatar shi ga wannan. A cytolemma kanta tana da yawa m karfi fiye da Layer na proteoglycans, cellulose ko chitin. A cewa tsitolemmy taka wata rawa inji, babu shakka.

Har ila yau, inji aiki na jini membrane damar da mitochondria, chloroplast, lysosomes, tsakiya da kuma endoplasmic reticulum aiki a cikin kwayoyin jikinsu da kuma kare da subthreshold lalacewa. Shi ne halayyar ga wani cell da ciwon data membranous wasu gabbansa. Bugu da ƙari, cikin jini membrane ne cytoplasmic protuberances, wanda ake generated da cell-cell lambobi. Wannan misali na inji aiki na jini membrane. The m rawar da membrane an tabbatar ma saboda wata halitta juriya da kuma fluidity na sia bilayer.

Sadarwa aiki na cytoplasmic membrane

Daga cikin sadarwa ayyuka kamata hada da sufuri da liyafar. Wadannan halaye su ne musamman ga jini membrane da karyotheca. A membrane organelle ba ko da yaushe suna da rabe, ko riddled tare da kai tashoshi, da kuma a karyotheca da tsitolemmy wadannan tsarin akwai. Wannan ne yake aikata ta hanyar da aiwatar da bayanai sadarwar ayyuka.

Kai ne ya gane ta biyu yiwu sunadaran: makamashi kashe kudi, da cewa shi ne, wani aiki hanya, kuma ba tare da kudin, sauki yadawa. Duk da haka, tantanin halitta zai iya kawo abubuwa da kuma ta phagocytosis ko pinocytosis. Wannan yana cika ta hanyar kamawa a da girgijen ruwa ko m barbashi protrusions cytoplasm. Sai cell kamar yadda idan hannunka Grips barbashi ko ruwa droplet, ja ta cikin da kuma kafa a kusa da cytoplasmic Layer.

Active kai, yadawa

Active kai - wannan shi ne misalin zabe sha na Wutan da kuma gina jiki. Via takamaiman tashoshi wakilta sunadaran hada da mahara subunits, da abu ko hydrated ion shiga cikin cytoplasm. Jonah canza iko da kuma gina jiki suna rajista a rayuwa sarkar. Kuma duk wadannan ayyuka a cikin cell jini membrane rayayye taimaka wajen ci gaba da kuma ci gaba.

sia-narkewa

Sosai bambancin Kwayoyin, msl, juyayi, endocrine ko tsoka, ion tashoshi amfani da data samar da aikin iko da kuma sauran. An kafa saboda da osmotic bambance-bambance da kuma electrochemical da yadudduka shirya ikon ji ƙyama, ko don samar da wani hannu bugun jini don amsa sakonni ko aika da su. Wannan shi ne wani muhimmin inji for musayar bayanai tsakanin Kwayoyin, wanda underlies juyayi tsari daga cikin ayyuka na dukan kwayoyin. Wadannan siffofin na jini membrane na dabba Kwayoyin samar da tsari na da harshen damo, kariya da kuma harkokin sufuri na dukan kwayoyin.

Wasu abubuwa iya kuma bai shiga ta cikin membrane, amma shi ne na hali kawai ga lipophilic kwayoyin na mai-mai narkewa kwayoyin. Suna kawai narke a cikin bilayer membrane, sauƙi samun cikin cytoplasm. Wannan kai inji shi ne halayyar steroid ji ba gani. A tsarin da peptide hormones da ikon shiga ta cikin membrane, amma kuma aika da bayanai cell. Wannan shi ne cimma saboda da gaban da tsoka mai amsa sigina a kan surface plasmolemma (na game) kwayoyin. Shafi biochemical sunadaran da siginar transduction zuwa tsakiya tare da ginshikai na kai tsaye shigar azzakari cikin farji daga abubuwa ta hanyar da sia membrane ne mai sauki tsarin humoral tsari. Kuma duk wadannan siffofin na game jini membrane sunadarai ne dole ba kawai don wani guda cell da dukan kwayoyin.

Table ayyuka cytoplasmic membrane

A mafi bayyananne hanya zuwa haskaka da ayyuka na jini membrane - a tebur wanda ya ƙunshi ta nazarin halittu rawa ga tantanin halitta a matsayin dukan.

Wannan tebur a fili ya nuna wanda ayyuka suna yi da jini membrane. Duk da haka, wadannan matsayin ake buga ta ne kawai da jikin tantanin, watau sia bilayer da na kewaye da duk Kwayoyin. Ciki da shi akwai wasu gabbansa, wanda kuma da membrane. Rawar da suka taka da ya kamata a bayyana a cikin wani nau'i na zane.

The ayyuka na jini membrane: makirci

A gaban cell membranes wadannan daban-daban da wasu gabbansa: da tsakiya, m da m endoplasmic reticulum, Golgi na'ura, mitochondria, chloroplast, lysosomes. A kowane daga cikin wadannan da wasu gabbansa, membrane taka wata muhimmiyar rawa. Ka yi la'akari da misalin shi na iya zama wani tabular makirci.

A membranes na dabba Kwayoyin

Wadannan su ne ayyuka na jini membrane na cell, inda shi taka muhimmiyar rawa ga kowane organelle. Bugu da ƙari, wata yawan ayyuka da za a hada a cikin daya - a kariya. A musamman, da shãmaki, kuma inji ayyuka suna hade a m. Bugu da ƙari, cikin ayyuka na jini membrane a shuka cell ne kusan m ga waɗanda a cikin dabba da kwayan.

Animal tantanin halitta shine mafi hadaddun da kuma sosai bambancin. Akwai da yawa fiye da Hadakar, poluintegralnyh da surface sunadaran. A general, a kwayar kwayoyin ne ko da yaushe mafi rikitarwa membrane tsarin fiye da abin da na guda-celled. Kuma abin da mafi yawan jini membrane na musamman Kwayoyin cewa kayyade ko shi za a sanya wa epithelial, connective nama ko excitable.