{"id":1709,"date":"2016-02-09T08:22:20","date_gmt":"2016-02-09T07:22:20","guid":{"rendered":"http:\/\/agora.xtec.cat\/insllicamunt2\/?p=1709"},"modified":"2016-05-09T08:43:56","modified_gmt":"2016-05-09T07:43:56","slug":"comencem-a-estudiar-els-essers-vius-mes-simples","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/insllicamunt2\/el-far-dhipatia\/grups\/comencem-a-estudiar-els-essers-vius-mes-simples\/","title":{"rendered":"Comencem a estudiar els \u00e9ssers vius m\u00e9s simples"},"content":{"rendered":"<p style=\"text-align: justify;\">A Biologia i Geologia els alumnes de 1r d&#8217;ESO hem iniciat l&#8217;estudi dels diferents grups d&#8217;\u00e9ssers vius, i hem comen\u00e7at amb els m\u00e9s senzills de tots, els bacteris, organismes unicel\u00b7lulars formats per una \u00fanica c\u00e8l\u00b7lula procariota.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-73qMxpoUi_M\/Vquh9Dn7AgI\/AAAAAAAAQuk\/OJoxKViymFs\/s800-Ic42\/IMG_3735.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Al laboratori de Ci\u00e8ncies hem observat els bacteris (cocs, estreptococs i bastons) d\u2019un iogurt.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-qd-JswjFuQ4\/Vquh7Q8TSrI\/AAAAAAAAQyE\/_MpXBCzh3rI\/s800-Ic42\/IMG_3724.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Com que els iogurts que hi ha actualment al mercat no s\u00f3n de bona qualitat, vam utilitzar el forn de cultiu que l&#8217;AMPA va donar al laboratori de Ci\u00e8ncies per cultivar a uns 23\u00baC el iogurt amb llet durant una setmana.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-9eKMhSrVmjA\/VquiWE3jj3I\/AAAAAAAAQus\/-ymhOgdqdEU\/s800-Ic42\/FullSizeRender%2525206.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Els \u00faltims grups de pr\u00e0ctiques vam sobrepassar el temps de cultiu del iogurt al forn, i \u00e9s per aix\u00f2 que a la part superficial del recipient, en contacte amb l&#8217;aire, van cr\u00e9ixer col\u00f2nies de fongs.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-2BmQKSE9AqQ\/Vquh6dwvmMI\/AAAAAAAAQuc\/cCKOgrvZhDg\/s800-Ic42\/IMG_3685.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Amb una esp\u00e0tula vam retirar la capa de fongs de la superf\u00edcie i la vam llen\u00e7ar. Aix\u00ed, el iogurt de sota va quedar preparat per a utilitzar-lo per a la pr\u00e0ctica.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-QTcD6wILkZY\/Vquh9llE9yI\/AAAAAAAAQuc\/MJvhRsYBPIU\/s800-Ic42\/IMG_3738.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Primer, vam netejar la placa de petri, li vam posar una goteta d\u2019aigua destil\u00b7lada, una mica de la mostra i vam posar l\u2019altre portaobjectes per sobre per estendre la mostra.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-BrkBiWEaMWY\/VrIyp9G0lOI\/AAAAAAAAQ3M\/v87M7IlkE5Q\/s800-Ic42\/IMG_3850.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Per assecar la mostra, la vam passar suaument per sobre d\u2019una espelma (d&#8217;aquesta manera el iogurt va quedar fixat al vidre).<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-whKM8XBSlvQ\/VrIyqU_5nuI\/AAAAAAAAQ3Q\/CmYSzxiI6kI\/s800-Ic42\/IMG_3851.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Per eliminar l\u2019exc\u00e9s de greixos, li vam posar unes gotes d\u2019alcohol. Dos minuts m\u00e9s tard, vam inclinar el portaobjectes sobre la placa de petri per rentar la mostra amb aigua destil\u00b7lada.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-ld_HPh9g--A\/VrIypGFSqJI\/AAAAAAAAQ3A\/QNPp1Ge7Bw0\/s800-Ic42\/IMG_3848.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Despr\u00e9s vam tintar la mostra amb blau de metil\u00e8 per poder veure els bacteris. Per tintar-ho, vam col\u00b7locar el portaobjectes en posici\u00f3 horitzontal sobre la placa de petri i li vam posar una mica de blau de metil\u00e8. Cinc minuts m\u00e9s tard, vam rentar la mostra amb aigua destil\u00b7lada i vam cobrir amb el cobreobjectes ajudant-nos amb l\u2019agulla perqu\u00e8 no quedin bombolles d&#8217;aire sota el cubreobjectes.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-Qyj0FaxXbaw\/VrIypuQqo3I\/AAAAAAAAQ3I\/2xzXhibwXNE\/s800-Ic42\/IMG_3849.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Per observar els bacteris, vam assecar b\u00e9 el portaobjectes per sota i vam fer les observacions a x400 i a x1000 augments.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-vfpjBLZt7rk\/VrIyq6T-esI\/AAAAAAAAQ3U\/wiQiSN_tnY4\/s800-Ic42\/IMG_3856.JPG\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Si voleu saber m\u00e9s sobre els bacteris del iogurt podeu consultar el seg\u00fcent <a href=\"http:\/\/blocs.xtec.cat\/fotobiogeofxv\/2016\/02\/03\/si-no-te-bacteris-vius-no-es-iogurt\/\" target=\"_blank\">Fotobloc de Biologia i Geologia<\/a>.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/lh3.googleusercontent.com\/-4c3vQZVe-UU\/VrIypTzF-aI\/AAAAAAAAQ3E\/PgI99-SBWhc\/s800-Ic42\/FullSizeRender%2525206.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p style=\"text-align: justify;\">Vam realitzar la pr\u00e0ctica en grups de 3-4 alumnes. Per aprofitar el temps al m\u00e0xim, ens vam repartir les tasques de preparaci\u00f3, i una vegada preparada la mostra, mentre dos observaven, els altres netejaven, i despr\u00e9s ens torn\u00e0vem.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Biologia i Geologia els alumnes de 1r d&#8217;ESO hem iniciat l&#8217;estudi dels diferents grups d&#8217;\u00e9ssers vius, i hem comen\u00e7at amb els m\u00e9s senzills de tots, els bacteris, organismes unicel\u00b7lulars formats per una \u00fanica c\u00e8l\u00b7lula procariota.<\/p>\n<p>Al laboratori de Ci\u00e8ncies hem observat els bacteris (cocs, estreptococs&hellip;  <a href=\"https:\/\/agora.xtec.cat\/insllicamunt2\/el-far-dhipatia\/grups\/comencem-a-estudiar-els-essers-vius-mes-simples\/\" title=\"Read Comencem a estudiar els \u00e9ssers vius m\u00e9s simples\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":57,"featured_media":1710,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[4,93,1041,99,347,3,98,29],"tags":[746,739,655,691,736,744,742,747,737,741,690,745,743,740,738],"class_list":["post-1709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1r-deso","category-activitats-daula","category-ampa","category-articles","category-biologia-i-geologia","category-grups","category-noticies-breus","category-portada","tag-alcohol","tag-bacils","tag-bacteris","tag-blau-de-metile","tag-cocs","tag-cubreobjectes","tag-cultiu","tag-espelma","tag-estreptococs","tag-forn","tag-iogurt","tag-microscopi","tag-portaobjectes","tag-practiques-de-biologia","tag-regne-monera"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts\/1709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/users\/57"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/comments?post=1709"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts\/1709\/revisions"}],"predecessor-version":[{"id":1828,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts\/1709\/revisions\/1828"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/media\/1710"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/media?parent=1709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/categories?post=1709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/tags?post=1709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}