This lesson focuses on the structure of RNA and specifically the similarities and differences between this nucleic acid and DNA. The engaging and detailed PowerPoint and accompanying resource have been designed to cover the second part of point 6.1 (b) of the CIE International A-level Biology specification which states that students should be able to describe the structure of this nucleic acid. Students were introduced to the detailed structure of a nucleotide and DNA in previous lessons, so this lesson is written to tie in with those and continuously challenge prior knowledge as well as the understanding of the current topic.
The lesson begins with the introduction of RNA as a member of the family of nucleic acids and this enables students to recognise that this polynuclotide shares a number of structural features that were previously seen in DNA. A quiz round called “A FAMILY AFFAIR” is used to challenge their knowledge of DNA to recognise those features that are also found on RNA such as the chain of linked nucleotides, pentose sugars, nitrogenous bases and phosphodiester bonds. The next task pushes them to consider features that have not been mentioned and therefore are differences as they answer a structured exam-style question on how RNA differs from DNA. Students will learn that RNA is shorter than DNA and this leads into the final part of the lesson where mRNA and tRNA are introduced and again they are challenged to use the new information explain the difference in size. Brief details of transcription and then translation are provided so that students are prepared for the upcoming lessons on protein synthesis
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Topics 5 & 6: The mitotic cell cycle, nucleic acids & protein synthesis (CIE A-level Biology)
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£19.00
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All 4 of the lessons included in this bundle are fully-resourced with differentiated tasks to cater for all abilities of students whilst containing the detail to push them to the next level. These lessons have been designed to cover the details of topic 6.1 of the CIE International A-level Biology specification which concerns the structure and replication of DNA The following specification points are covered within these lessons: * The structure of nucleotides * ATP as a phosphorylated nucleotide * The structure of DNA * The structure of mRNA, tRNA and rRNA * DNA replication Links are continually made throughout the lessons to previously-covered topics as well as to those which will be covered later in the AS course or during the second year If you would like to sample the quality of the lessons, download the semi-conservative replication lesson as this has been shared for free
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£9.00
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