{"id":366,"date":"2024-11-19T11:19:45","date_gmt":"2024-11-19T10:19:45","guid":{"rendered":"https:\/\/mruizsvt.fr\/?page_id=366"},"modified":"2024-11-19T11:54:45","modified_gmt":"2024-11-19T10:54:45","slug":"1-2-comment-la-matiere-organique-produite-par-la-plante-est-elle-utilisee","status":"publish","type":"page","link":"https:\/\/mruizsvt.fr\/index.php\/3-eme\/chapitre-2-genetique\/1-2-comment-la-matiere-organique-produite-par-la-plante-est-elle-utilisee\/","title":{"rendered":"1.2 Comment la mati\u00e8re organique produite par la plante est elle utilis\u00e9e\u00a0?"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong>Exercice classe<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">Page 186-187<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\">Correction<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Analyse des documents <\/strong><\/p>\n\n\n\n<p><strong>Doc 1 :<\/strong> Une graine avant la germination se colore en violet (lugol) Elle contient donc de l\u2019amidon, alors qu\u2019une graine \u00e2pres la germination ne se colore pas en violet elle ne contient pas donc plus d\u2019amidon.<\/p>\n\n\n\n<p>La plante n\u2019ayant pas acc\u00e8s au soleil elle ne peut pas produire de mati\u00e8re organique elle va donc consommer celle pr\u00e9sente dans la graine.<\/p>\n\n\n\n<p><strong>Doc 2 :<\/strong><\/p>\n\n\n\n<p>Lugol&nbsp;: met en \u00e9vidence l\u2019amidon (violet)<\/p>\n\n\n\n<p>Liqueur de Felhing&nbsp;: met en \u00e9vidence les glucides (rouge)<\/p>\n\n\n\n<p>0 min: pr\u00e9sence d\u2019amidon et absence de glucose (lugol violet, l. Felhing bleu)<\/p>\n\n\n\n<p>30 min&nbsp;: Absence d\u2019amidon et pr\u00e9sence de glucose (lugol jaune, l. felhing rouge)<\/p>\n\n\n\n<p>L\u2019amidon a du se transformer en glucose<\/p>\n\n\n\n<p><strong>Doc 3 :<\/strong> Le glucose va permettre de fournir de l\u2019\u00e9nergie aux cellules permettant la croissance de la plante et permettre&nbsp; leur fonctionnement.<\/p>\n\n\n\n<p><strong>Doc 4 :<\/strong> A l&rsquo;obscurit\u00e9 les r\u00e9serves en amidon diminue jour apres jour<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Sch\u00e9ma<\/strong> :<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"325\" src=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Image-1-1024x325.jpeg\" alt=\"\" class=\"wp-image-368\" srcset=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Image-1-1024x325.jpeg 1024w, https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Image-1-300x95.jpeg 300w, https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Image-1-768x244.jpeg 768w, https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Image-1-1536x488.jpeg 1536w, https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Image-1-2048x651.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\">Bilan<\/p>\n<\/blockquote>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-e54ee0766ba9a1abb014837ebb882c09\">Bilan&nbsp;: La mati\u00e8re organique stock\u00e9e dans les organes de r\u00e9serves va \u00eatre utilis\u00e9e au printemps pour la germination. L\u2019amidon stock\u00e9 va aussi servir \u00e0 donner du glucose pour fournir de l\u2019\u00e9nergie \u00e0 la plante lui permettant de se d\u00e9velopper et de fonctionner.<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-227e08a45352a51e159b3c0f3ef820e7\"><strong><br><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exercice classe Page 186-187 Correction Analyse des documents Doc 1 : Une graine avant la germination se colore en violet (lugol) Elle contient donc de l\u2019amidon, alors qu\u2019une graine \u00e2pres la germination ne se colore pas en violet elle ne contient pas donc plus d\u2019amidon. La plante n\u2019ayant pas acc\u00e8s au soleil elle ne peut [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":60,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-366","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/comments?post=366"}],"version-history":[{"count":3,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/366\/revisions"}],"predecessor-version":[{"id":375,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/366\/revisions\/375"}],"up":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/60"}],"wp:attachment":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/media?parent=366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}