{"id":215995,"date":"2025-05-18T09:44:03","date_gmt":"2025-05-18T09:44:03","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=215995"},"modified":"2025-05-18T09:44:05","modified_gmt":"2025-05-18T09:44:05","slug":"living-organisms-make-and-use-three-main-types-of-ribonucleic-acids-rna-for-their-biological-functions-ribosomal-rna-rrna-messenger-rna-mrna-and-transfer-rna-trna","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/18\/living-organisms-make-and-use-three-main-types-of-ribonucleic-acids-rna-for-their-biological-functions-ribosomal-rna-rrna-messenger-rna-mrna-and-transfer-rna-trna\/","title":{"rendered":"Living organisms make and use three main types of ribonucleic acids (RNA) for their biological functions ribosomal RNA (rRNA), messenger RNA (mRNA), and transfer RNA (tRNA)."},"content":{"rendered":"\n

Living organisms make and use three main types of ribonucleic acids (RNA) for their biological functions ribosomal RNA (rRNA), messenger RNA (mRNA), and transfer RNA (tRNA).<\/p>\n\n\n\n

Part A: Sort each description by the type of RNA it describes. Drag each item to the appropriate bin.<\/p>\n\n\n\n

has introns and exons
is found in ribosomes
contains genes for a protein
contains an anticodon
has amino acids covalently attached in active form
is the most abundant form of RNA
Submit My Answers<\/p>\n\n\n\n

Give Up<\/p>\n\n\n\n

Part B: Indicate at which step of the replication-transcription-translation process each type of RNA first participates. Place them in the bin where they are first created or first participate.<\/p>\n\n\n\n

Replication
Transcription
Translation<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n

\u2705 Correct Answers:<\/h3>\n\n\n\n
\n\n\n\n

Part A: Sort descriptions by RNA type<\/strong><\/h3>\n\n\n\n

mRNA (Messenger RNA)<\/strong><\/h4>\n\n\n\n
    \n
  • has introns and exons<\/li>\n\n\n\n
  • contains genes for a protein<\/li>\n<\/ul>\n\n\n\n

    rRNA (Ribosomal RNA)<\/strong><\/h4>\n\n\n\n
      \n
    • is found in ribosomes<\/li>\n\n\n\n
    • is the most abundant form of RNA<\/li>\n<\/ul>\n\n\n\n

      tRNA (Transfer RNA)<\/strong><\/h4>\n\n\n\n
        \n
      • contains an anticodon<\/li>\n\n\n\n
      • has amino acids covalently attached in active form<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n

        Part B: Indicate the step at which each RNA first participates<\/strong><\/h3>\n\n\n\n

        Replication:<\/strong><\/h4>\n\n\n\n
          \n
        • None<\/em> of the RNA types are directly involved in DNA replication.<\/li>\n<\/ul>\n\n\n\n

          Transcription:<\/strong><\/h4>\n\n\n\n
            \n
          • mRNA<\/li>\n\n\n\n
          • rRNA<\/li>\n\n\n\n
          • tRNA
            (All RNA types are synthesized during transcription.<\/em>)<\/li>\n<\/ul>\n\n\n\n

            Translation:<\/strong><\/h4>\n\n\n\n
              \n
            • mRNA<\/li>\n\n\n\n
            • rRNA<\/li>\n\n\n\n
            • tRNA
              (All three types of RNA function during translation.<\/em>)<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n

              \ud83e\udde0 300-Word Explanation:<\/strong><\/h3>\n\n\n\n

              Living organisms rely on three main types of RNA\u2014mRNA, rRNA, and tRNA<\/strong>\u2014to carry out protein synthesis. Each plays a unique role and has specific features.<\/p>\n\n\n\n

              Messenger RNA (mRNA)<\/strong> is created during transcription<\/em> and carries the genetic instructions from DNA to the ribosome. The mRNA molecule includes introns and exons<\/strong> (non-coding and coding sequences, respectively) in eukaryotes. After RNA splicing removes introns, mRNA contains the genes for a protein<\/strong>, serving as a template during translation<\/em>.<\/p>\n\n\n\n

              Ribosomal RNA (rRNA)<\/strong> is a structural and functional component of ribosomes, the cell’s protein factories. It is found in ribosomes<\/strong> and acts as a catalyst for peptide bond formation between amino acids. rRNA is the most abundant RNA type<\/strong> in cells because ribosomes are heavily used for protein production. rRNA is also transcribed from DNA, making its first appearance during the transcription<\/em> stage.<\/p>\n\n\n\n

              Transfer RNA (tRNA)<\/strong> is small but essential. It has an anticodon<\/strong> region that base-pairs with mRNA codons, and it becomes activated when amino acids are covalently attached<\/strong> to it. This activation occurs before translation. During translation<\/em>, tRNA brings the correct amino acid to the ribosome based on the mRNA code.<\/p>\n\n\n\n

              In Part B<\/strong>, although replication<\/em> involves DNA duplication, no RNA types are directly involved<\/strong>. In contrast, all RNA types are first synthesized during transcription<\/strong> and become functionally active during translation<\/strong>. mRNA provides the code, tRNA delivers amino acids, and rRNA facilitates the construction of the protein.<\/p>\n\n\n\n

              Understanding the roles and steps of each RNA helps clarify how genetic information flows from DNA to protein in a cell\u2014a concept central to molecular biology.<\/p>\n","protected":false},"excerpt":{"rendered":"

              Living organisms make and use three main types of ribonucleic acids (RNA) for their biological functions ribosomal RNA (rRNA), messenger RNA (mRNA), and transfer RNA (tRNA). Part A: Sort each description by the type of RNA it describes. Drag each item to the appropriate bin. has introns and exonsis found in ribosomescontains genes for a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-215995","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/215995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=215995"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/215995\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=215995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=215995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=215995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}