This detailed lesson describes the process of translation at the ribosome and includes detailed descriptions of the roles of the mRNA, tRNA and rRNA. The PowerPoint and accompanying resources have been designed to cover the second part of point 1.4 (vi) of the Edexcel A-level Biology B specification and this lesson also includes continual links to the previous lessons in this topic on transcription and the structure of DNA and RNA.
Translation is a topic which is often poorly understood and so this lesson has been written with the aim of supporting the students to answer the different types of questions that can arise. The lesson begins by challenging the students to consider why it is so important that the amino acids are assembled in the correct order during the formation of the chain. Moving forwards, a quick quiz round called “LOST IN TRANSLATION” is used to check on their prior knowledge of the mRNA strand, the tRNA molecules and the ribosomes. The next task involves a very detailed description of translation that has been divided into 14 statements which the students have to put into the correct order. By giving them a passage of this detail, they can pick out the important parts to use in the next task where they have to answer shorter questions worth between 3 and 4 marks. These types of questions are common in the assessments and by building up their knowledge across the lesson, their confidence to tackle this type of question should increase. The final two tasks of the lesson involve another quiz, where the teams compete to transcribe and translate in the quickest time before using all that they have absorbed to answer some questions which involve the genetic code and the mRNA codon table
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Topic 1: Biological molecules (Edexcel A-level Biology B)
The biological molecules topic is incredibly important, not just because it is found at the start of the course, but also because of its detailed content which must be well understood to promote success with the other 9 Edexcel A-level Biology B topics. Many hours of intricate planning has gone into the design of all of the 18 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: * The differences between monosaccharides, disaccharides and polysaccharides * The structure of glucose and ribose * The formation of disaccharides and polysaccharides from monosaccharides * The structure of starch, glycogen and cellulose * The synthesis of a triglyceride * The differences between saturated and unsaturated lipids * The relationship between the structure of lipids and their roles * The structure and properties of phospholipids * The structure of an amino acid * The formation of polypeptides and proteins * The role of ionic, hydrogen and disulphide bonding in proteins * The levels of protein structure * The structure of collagen and haemoglobin * The structure of DNA * The semi-conservative replication of DNA * A gene is a sequence of bases on DNA that codes for an amino acid sequence * The structure of mRNA * The structure of tRNA * The process of transcription * The process of translation * Base deletions, insertions and substitutions as gene mutations * The effect of point mutations on amino acid sequences * The structure of enzymes as globular proteins * The concept of specificity and the induced-fit hypothesis * Enzymes are catalysts that reduce activation energy * Understand how temperature affects enzyme activity * Enzymes catalyse a wide range of intracellular reactions as well as extracellular ones * The importance of water for living organisms Due to the detail included in these lessons, it is estimated that it will take in excess of 2 months of allocated A-level teaching time to complete. If you would like to see the quality of the lessons then download the monosaccharides, disaccharides and polysaccharides, glucose and ribose, triglycerides, structure of DNA and transcription lessons as these have been uploaded for free.
£20.00
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Topic 1.4: DNA and protein synthesis (Edexcel A-level Biology B)
This bundle of 6 fully-resourced lessons have been designed to cover the content as detailed in topic 1.4 of the Edexcel A-level Biology B specification. The specification points in this DNA and protein synthesis topic which are covered by the lessons are as follows: * The structure of DNA * The semi-conservative replication of DNA * A gene is a sequence of bases on DNA that codes for an amino acid sequence * The structure of mRNA * The structure of tRNA * The process of transcription * The process of translation * Base deletions, insertions and substitutions as gene mutations * The effect of point mutations on amino acid sequences The engaging PowerPoint lessons and accompanying resources contain a wide range of activities and tasks that include exam-style questions with displayed mark schemes, quick quiz competitions, useful hints and discussion periods. If you would like to see the quality of the lessons then download the structure of DNA and transcription lessons as these have been uploaded for free.
£7.00
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