{"id":1970,"date":"2020-07-16T09:47:15","date_gmt":"2020-07-16T09:47:15","guid":{"rendered":"https:\/\/murreeroad.org\/Biology10\/?p=1970"},"modified":"2020-07-16T09:47:15","modified_gmt":"2020-07-16T09:47:15","slug":"q-4-describe-dna-replication","status":"publish","type":"post","link":"https:\/\/murreeroad.org\/Biology10\/q-4-describe-dna-replication\/","title":{"rendered":"Q.4 Describe DNA Replication."},"content":{"rendered":"<p><strong>Q.4\u00a0Describe DNA Replication.<\/strong><br \/>\n<strong>Answer:<\/strong><br \/>\n<strong>Definition<\/strong><br \/>\nIt is a process in which one parental DNA is divided into two genetically identical daughter DNA molecules. DNA replication takes place before cell division. Purpose<br \/>\nIt is done to make the copies of chromatids of chromosomes.<br \/>\n<strong>Unwinding of DNA strands<\/strong><br \/>\nFirst step in DNA replication is unwinding of DNA: As a result, two strands are separated, much like two sides of zipper.<br \/>\n<strong>Template strands<\/strong><br \/>\nEach strand of parental DNA acts as a template.<br \/>\n<strong>Complimentary strands<\/strong><br \/>\nNew strands are called as complimentary strands.<br \/>\n<strong>Base pairing<\/strong><br \/>\nNitrogenous bases of nucleotides in template strands make pair with nitrogenous bases of &#8216; nucleotides in complimentary strands.<br \/>\n<strong>New (Daughter) DNA Double helix<\/strong><br \/>\nOne template and one complimentary strands together form a new DNA double helix, genetically identical to parents.<br \/>\n<img loading=\"lazy\" class=\"size-full wp-image-1971 aligncenter\" src=\"https:\/\/murreeroad.org\/Biology10\/wp-content\/uploads\/2020\/07\/New-Daughter-DNA-Double-helix.jpg\" alt=\"New (Daughter) DNA Double helix\" width=\"328\" height=\"256\" srcset=\"https:\/\/murreeroad.org\/Biology10\/wp-content\/uploads\/2020\/07\/New-Daughter-DNA-Double-helix.jpg 328w, https:\/\/murreeroad.org\/Biology10\/wp-content\/uploads\/2020\/07\/New-Daughter-DNA-Double-helix-300x234.jpg 300w\" sizes=\"(max-width: 328px) 100vw, 328px\" \/><br \/>\n<a href=\"https:\/\/murreeroad.org\/Biology10\/unit-15-inheritance-long-questions\/\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-1462 aligncenter\" src=\"https:\/\/murreeroad.org\/Biology10\/wp-content\/uploads\/2020\/06\/back_button.png\" alt=\"\" width=\"150\" height=\"45\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q.4\u00a0Describe DNA Replication. Answer: Definition It is a process in which one parental DNA is divided into two genetically identical daughter DNA molecules. DNA replication takes place before cell division. Purpose It is done to make the copies of chromatids of chromosomes. Unwinding of DNA strands First step in DNA replication is unwinding of DNA:&hellip;&nbsp;<a href=\"https:\/\/murreeroad.org\/Biology10\/q-4-describe-dna-replication\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Q.4 Describe DNA Replication.<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts\/1970"}],"collection":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/comments?post=1970"}],"version-history":[{"count":1,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts\/1970\/revisions"}],"predecessor-version":[{"id":1972,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts\/1970\/revisions\/1972"}],"wp:attachment":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/media?parent=1970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/categories?post=1970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/tags?post=1970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}