{"id":45873,"date":"2024-04-15T22:04:16","date_gmt":"2024-04-15T22:04:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=45873"},"modified":"2024-04-15T22:04:16","modified_gmt":"2024-04-15T22:04:16","slug":"which-phases-intiation-is-indicated-by-the-appearance-of-the-chromosomes-as-thin-threads-in-the-nucleus","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-phases-intiation-is-indicated-by-the-appearance-of-the-chromosomes-as-thin-threads-in-the-nucleus\/","title":{"rendered":"Which phase&#8217;s intiation is indicated by the appearance of the chromosomes as thin threads in the nucleus?"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Prophase&#8221; option2=&#8221;Metaphase&#8221; option3=&#8221;Telophase&#8221; option4=&#8221;Anaphase&#8221; correct=&#8221;option1&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>A. Prophase<\/strong><\/p>\n<p>Prophase is the first phase of mitosis. It is characterized by the following events:<\/p>\n<ul>\n<li>Condensation of chromosomes: The chromosomes condense from long, thin threads into short, thick rods.<\/li>\n<li>Disappearance of the nuclear envelope: The nuclear envelope breaks down, releasing the chromosomes into the cytoplasm.<\/li>\n<li>Formation of the mitotic spindle: The mitotic spindle is a structure that helps to move the chromosomes during mitosis. It is composed of microtubules that radiate from the centrosomes.<\/li>\n<li>Attachment of the chromosomes to the mitotic spindle: The chromosomes attach to the mitotic spindle at their centromeres.<\/li>\n<\/ul>\n<p>The appearance of the chromosomes as thin threads in the nucleus indicates the initiation of prophase. This is because the chromosomes condense during prophase, which makes them visible under a microscope.<\/p>\n<p>The other options are incorrect because they do not describe the events that occur during prophase.<\/p>\n<ul>\n<li>Metaphase is the second phase of mitosis. During metaphase, the chromosomes line up at the equator of the cell.<\/li>\n<li>Anaphase is the third phase of mitosis. During anaphase, the sister chromatids of each chromosome are separated and pulled to opposite poles of the cell.<\/li>\n<li>Telophase is the fourth and final phase of mitosis. During telophase, the chromosomes decondense and the nuclear envelope reforms. The mitotic spindle also disappears.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Prophase&#8221; option2=&#8221;Metaphase&#8221; option3=&#8221;Telophase&#8221; option4=&#8221;Anaphase&#8221; correct=&#8221;option1&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-45873","post","type-post","status-publish","format-standard","hentry","category-biology","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which phase&#039;s intiation is indicated by the appearance of the chromosomes as thin threads in the nucleus?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-phases-intiation-is-indicated-by-the-appearance-of-the-chromosomes-as-thin-threads-in-the-nucleus\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which phase&#039;s intiation is indicated by the appearance of the chromosomes as thin threads in the nucleus?\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Prophase&#8221; 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