{"id":182442,"date":"2015-06-10T12:31:44","date_gmt":"2015-06-10T10:31:44","guid":{"rendered":"http:\/\/www.pcnen.com\/portal\/?p=182442"},"modified":"2015-06-10T12:31:44","modified_gmt":"2015-06-10T10:31:44","slug":"naucnici-otkrili-krv-dinosaurusa","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2015\/06\/10\/naucnici-otkrili-krv-dinosaurusa\/","title":{"rendered":"Nau\u010dnici otkrili krv dinosaurusa?"},"content":{"rendered":"<p><a href=\"http:\/\/www.pcnen.com\/portal\/2014\/06\/24\/dinosaurus-u-sibiru\/dinosaur\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-150181 size-medium\" src=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-300x221.jpg\" alt=\"dinosaurus, ilustracija\" width=\"300\" height=\"221\" srcset=\"https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-300x221.jpg 300w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-580x429.jpg 580w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-450x332.jpg 450w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-480x354.jpg 480w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-235x173.jpg 235w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-75x55.jpg 75w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-350x258.jpg 350w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-220x162.jpg 220w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur-90x65.jpg 90w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2014\/06\/dinosaur.jpg 602w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Britanski nau\u010dnici su objavili da su na kostima dinosaurusa otkrili ne\u0161to nalik crvenim krvnim \u0107elijama i kolagenskim vlaknima.<\/p>\n<p>&#8220;Prona\u0161li smo strukture koje bi mogle da budu originalne crvene krvne \u0107elije pojedinih dinosaurusa kao i druge strukture za koje sumnjamo da su originalna kolagenska vlakna&#8221;, rekao je za AFP koautor studije Ser\u0111o Bertaco sa Imperijalnog koled\u017ea u Londonu, prenosi portal 021.<\/p>\n<p>Koriste\u0107i molekularnu mikroskopiju, istra\u017eiva\u010di su analizirali fragmente kostiju dinosaurusa koji su \u017eivjeli prije oko 75 miliona godina, u doba Krede.<\/p>\n<p>Fosili su bili u tako lo\u0161em stanju da je bilo nemogu\u0107e ta\u010dno odrediti kojem tipu \u017eivotinja su ta\u010dno pripadali, objasnio je Bertaco.<\/p>\n<p>Me\u0111u uzorcima su bili kand\u017ee dinosaurusa meso\u017edera, nekoliko kostiju no\u017enih prstiju dinosaurusa seratopsida i hadrosaura kao i fragmenti rebra jedne nepoznate vrste ovih praistorijskih d\u017einova.<\/p>\n<p>Sve kosti su prona\u0111ene prije oko 100 godina u Parku dinosaurusa u Alberti, u Kanadi, a danas se \u010duvaju u Prirodnja\u010dkom muzeju u Londonu.<\/p>\n<p>Do skora se vjerovalo da molekuli proteina ne mogu da opstanu du\u017ee od \u010detiri miliona godina.<\/p>\n<p>Dinosaurusi su daleki preci dana\u0161njih ptica, te se nau\u010dnici nadaju da \u0107e pomo\u0107u ove vrste istra\u017eivanja otkriti kako i kada su se hladnokrvni gu\u0161teri preobrazili u toplokrvne ptice brzog metabolizma.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Britanski nau\u010dnici su objavili da su na kostima dinosaurusa otkrili ne\u0161to nalik crvenim krvnim \u0107elijama i kolagenskim vlaknima. &#8220;Prona\u0161li smo strukture koje bi mogle da budu originalne crvene krvne \u0107elije pojedinih dinosaurusa kao i druge strukture za koje sumnjamo da su originalna kolagenska vlakna&#8221;, rekao je za AFP koautor studije Ser\u0111o Bertaco sa Imperijalnog koled\u017ea [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":150181,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-182442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zanimljivosti"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/182442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=182442"}],"version-history":[{"count":0,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/182442\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media\/150181"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=182442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=182442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=182442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}