Menene muhimmancin ruwa a tantanin halitta?

Tun daga lokacin yaro, kowane mutum ya san cewa ruwa yana taka muhimmiyar rawa a gare mu. Tsabtacewa, tsabtatawa, shan - duk waɗannan abubuwa marasa rai na haɗi sun haɗa da ruwa. A hankali nazarin duniya, yaron ya koyi game da muhimmancin ruwa a tantanin halitta. Zai yiwu, daga wannan lokacin ya zama cikakke yadda muhimmancinsa yake: ba tare da rayuwar ruwa ba. Dangane da kaddarorinsa yana iya yiwuwar aiki da kwayoyin halitta.

Tsarin kwayoyin

Rawar ruwa a cikin rayuwar kwayar halitta tana da alaka da halaye na tsarin. Kowane mutum ya san tsarin da ke cikin jikinmu. Kowane ruwa kwayoyin hada daya oxygen zarra da biyu hydrogen atoms. Suna shiga a cikin wani aure naúrar saboda da iyakacin duniya covalent shaidu, dangane da samuwar wani na kowa electron biyu daga biyu kwayoyin halitta. Sakamakon halayen kwayoyin ruwa shi ne haɗakarsa na lantarki. Adadin iskar oxygen yana da mafi rinjaye, yana jawo hankalin electrons na maharan hydrogen. Dalilin wannan shine maye gurbin nau'i-nau'i na nau'ikan lantarki zuwa ga oxygen atom.

Magana

Halin ruwa a tantanin halitta ya dogara da halaye na abu. A sakamakon maye gurbin duka nau'ikan electrons, shi yana samun ladabi. Domin kwayoyin ruwa yana nuna cewa kasancewar kwakwalwan itace biyu: kowane atomatik na hydrogen yana da caji mai kyau, da kuma oxygen - wani ɓangare na da kyau. Tare suna ƙirƙirar kwayar tsaka tsaki.

Saboda haka, kowane tsarin tsarin ruwa shine dipole. Mahimmancin tsarin tsarin kwayoyin yana ƙayyade yanayin dangantakar dake tsakanin makwabta. Wani nau'in oxygen atom wanda yake da wani abu ne wanda ya samo asali daga magunguna na sauran kwayoyin. Hanyoyin da ake kira hydrogen shaidu sun kasance a tsakaninsu. Kowane kwayoyin ruwa yana daina tuntuɓar wannan hanya tare da hudu na makwabta. Duk nuances na tsarin da aka ambata ya ƙayyade muhimmancin rayuwa na ruwa a tantanin halitta.

Ayyukan

Hanyoyin hydrogen, halayyar kwayoyin ruwa, sun ƙayyade yawancin dukiya. Hadin da ke tsakanin oxygen da hydrogen hawan sune karfi sosai, wato, domin ya karya su, yana da muhimmanci don ciyar da makamashi mai yawa. A sakamakon haka, ruwa yana da matsayi mai mahimmanci, da kuma narkewa da kuma raguwa. Daga cikin abubuwa masu kama da haka, ruwa ne kawai abu ne a duniya a lokaci ɗaya a cikin jihohi uku. Halin ruwa a tantanin halitta yana dogara ne akan wannan fasalin.

Yin hulɗa da abubuwa masu tsabta

Hanyoyin da ke cikin ruwa don samar da haruffan hydrogen suna ba da damar karfin jiki don kwashe mahadi. Irin waɗannan abubuwa ana kiransa hydrophilic, wato, "sada zumunci" zuwa ruwa. Wadannan sun hada da magungunan ionic: salts, asali da acid. Yawan adadin abubuwa na hydrophilic sun haɗa da mahaɗan marasa ionic tare da polarity. Sannan kwayoyin sun ƙunshi ƙungiyoyi. Waɗannan su ne amino acid, sugars, mai sauki alcohols da wasu mahadi.
Halin ruwa a cikin aikin da ake amfani da kwayar halitta ya rage zuwa halittar yanayi da ake bukata don hawan dukkanin halayen. Maganar ita ce ma'anar abu wanda dukkanin kwayoyinsa zasu iya motsawa da yawa, wato, ikon yin amsawa ya fi yadda ya saba.

Mun gode wa irin waɗannan abubuwa, ruwa ya zama babban mahimmanci don ƙaddamar da yawancin halayen hade. Bugu da ƙari, alal misali, hydrolysis da dukan saiti na tafiyarwa da raguwa-ƙarancin tafiyarwa ne kawai ke gudana ne kawai tare da haɓakaccen haɓakar ƙwayar tantanin halitta.

Maganin

Babban tasiri na ruwa a cikin tantanin halitta ba shi da tabbas. Yana shiga cikin dukkan matakai masu muhimmanci. Alal misali, ruwa ya zama dole don photosynthesis. Ɗaya daga cikin matakansa, photolysis na ruwa, shine ya raba halittun hydrogen kuma ya haɗa su a cikin mahallin kwayoyin halitta. A lokaci guda kuma, an sake fitar da oxygen a yanayin.

Halin ruwa a cikin jikin mutum da na dabba yana hade da hawan jini, wanda aka lalata da shi, lalata abubuwa tare da bugu da ruwa. Ɗaya daga cikin halayen da suka fi muhimmanci a cikin tantanin halitta shine nakasawa na kwayar ATP, wanda ke faruwa tare da sakin makamashi, wanda aka yi amfani dashi ga sauran matakai masu muhimmanci.

Haɗi tare da abubuwan hydrophobic

Wasu sunadarin sunadarai, kazalika da ƙwayoyi da ƙwayoyin nucleic ba su narke cikin ruwa ba, ko wannan tsari yana da wuyar gaske. Irin wadannan abubuwa ana kiran su hydrophobic, wato, "jin tsoro" ruwa. Halin ruwa a cikin tantanin halitta da jiki yana da nasaba da hulɗarsa da mahaɗannan.

Ruwa kwayoyin ne iya raba hydrophobic abubuwa daga ruwa kanta. A sakamakon haka, an kafa wuraren da ake kira karamin karamin. Yawancin halayen halayen haɗari sunyi a kansu. Sabili da haka, ta hanyar hulɗar phospholipids, wanda ke hada kwayar halitta, cewa bilayer mai lipid yayi kama da ruwa.

Ƙarfin heat

Halin da ake yi na ruwa a cikin tantanin halitta yana cikin rikici a thermoregulation. A takamaiman zafin ruwa ne high isa. Wannan yana nufin cewa a lokacin da sha da m adadin na thermal makamashi na ruwa zazzabi dabam kawai dan kadan. Wannan halayyar yana taimakawa wajen tabbatar da yawan zafin jiki a cikin tantanin halitta, wanda ya zama dole don tafiyar da al'amuran al'ada ta al'ada da kuma kiyaye ɗaukar yanayi na ciki.

Rarraba rarraba tsakanin ɗakin

Wani alama na yanayin ruwa shine haɓakaccen thermal. Har ila yau, yana taimakawa wajen ci gaba da ci gaban yanayi. Ruwa na iya ɗaukar zafi mai yawa daga shafin jiki, inda yana cikin wani abu mai yawa, zuwa wašannan salula da kyallen takarda wanda basu da shi.

Bugu da ƙari kuma, thermoregulation kwashe kuma saboda da danshin ruwa. Cooling shi ne saboda gaskiyar cewa a yayin sauyawa daga wata ƙasa mai zuwa zuwa wani, dole ne a hallaka haɗin ginin hydrogen. Kuma saboda wannan, kamar yadda aka ambata, ana buƙatar karin makamashi.

Gwangwani na lantarki

Rabin ruwa a rayuwar tantanin halitta bata ƙare a can. Babban jikin jiki yana da dukiya guda daya: shi kusan ba ya kwanta. Wannan halayyar ya ba da damar ruwa ya zama rawar mai kwakwalwa a cikin tantanin halitta. Ruwa ya haifar da matsa lamba ta turgor, don haka yana ƙayyade dukiyar kimar sel da kyallen takarda, irin su bulk da elasticity. Yana da sauki fahimtar muhimmancin ruwa a cikin tantanin halitta a wannan ma'ana, idan ka dubi bishiyoyi. An yi amfani da nau'i na ganye da yawa saboda karuwa a cikin kwayoyin halitta. Akwai misalan misalai irin wannan a cikin tsarin duniya. Alal misali, irin nau'in jellyfish ko roundworms da aka saba da shi yana goyan bayan kwarangwal hydrostatic. Rashin ruwa da kwayoyin halitta, daidai da haka, yana haifar da kullun tafiyar matakai. Halin ya canza: rassan bishiyoyi, 'ya'yan itatuwan almara, fata ya rasa haɗinta.

Kasancewa a cikin sufuri na abubuwa

Ruwan ruwa tare da jinsunan hydrogen suna iya haɗawa ba kawai tare da juna ba, amma har da wasu abubuwa. A sakamakon wannan hulda bayyana surface tashin hankali taka muhimmiyar rawa a cikin kai da abubuwa a cikin jiki. Saboda haka, sakamakon da cohesion (mannewa kwayoyin ƙarƙashin rinjayar da karfi na nauyi, kuma a cikin akwati na ruwa - ta hanyar hydrogen shaidu) ne da motsi na gina jiki a cikin shuke-shuke capillaries. Mun gode wa wannan dukiya, ruwa ya shiga shuka daga ƙasa ta wurin gashin gashi.

Har ila yau, ƙarfin tashin hankali yana iya sa jini yana gudana a cikin dabbobi da mutane. Ruwa yana shiga cikin motsi da abubuwa da kuma cire kayan lalata daga jiki.

Ya nuna cewa amsar wannan tambaya "menene muhimmancin ruwa a tantanin halitta?" Ba shi da kyau - yana da babbar. Dangane da kayyadadden kayyadadden tsarin kwayoyin halitta na wannan ruwa, dukkanin matakai na ainihi zasu yiwu, ba tare da abin da ba a iya fahimta ba. Ruwa yana taimakawa wajen haɓaka abubuwa da yawa, yana tallafawa siffar kwayoyin halitta da gabobin jiki, suna shiga cikin abincin su tare da duk wajibi, yana cikin ɓangarorin da yawa halayen haɗari. Ruwa shi ne asalin rayuwa kuma ba shakka babu wani misali ba. Dukkanin matakan da ake amfani da shi na haɓaka suna da alaka da shi, kuma yana shafar hulɗar mahaɗan mahadi. Saboda saboda wadannan kyawawan abubuwa ruwa shine abu wanda ake nema a farkon bincike na sauran taurari a cikin ƙoƙari na gane ko sun dace da rayuwa.