This fully-resourced lesson describes the structure of the glucose and ribose as monosaccharides and considers their roles in living organisms. The detailed and engaging PowerPoint and accompanying resources have been designed to cover point 1.1 (ii) as detailed in the Edexcel A-level Biology B specification and also considers the structure of galactose, fructose and deoxyribose.
Students were introduced to carbohydrates and monosaccharides in the previous lesson so this lesson builds on that initial understanding and adds key details to their knowledge of this simplest group. Using the molecular formula of glucose as a guide, students will be given the general formula for the monosaccharides and will learn that deoxyribose is an exception to the rule that the number of carbon and oxygen atoms are equal. Moving forwards, students have to study the displayed formula of glucose for two minutes without being able to note anything down before they are challenged to recreate what they saw in a test of their observational skills. At this point of the lesson, the idea of numbering the carbons is introduced so that the different glycosidic bonds can be understood in an upcoming lesson as well as the recognition of the different isomers of glucose. The difference between alpha and beta-glucose is provided and students are again challenged to draw a molecule of glucose, this time for the beta form. The remainder of the lesson focuses on the roles of the 6 monosaccharides and the final task involves a series of application questions where the students are challenged to suggest why ribose could be considered important for active transport and muscle contraction
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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 19 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 role of inorganic ions in plants * 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.
£26.00
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Topics 1.1, 1.2 & 1.3: Carbohydrates, Lipids & Proteins (Edexcel A-level Biology B)
Carbohydrates, lipids and proteins are the key biological molecules and the specification points covering the relationship between their structures and functions are found in the very first three topics of Edexcel A-level Biology B course. With this in mind, hours of intricate planning has gone into each of the 9 lessons that are included in this bundle to ensure that students are continually engaged whilst the detailed content is covered by the variety of tasks. These tasks include exam-style questions with accompanying mark schemes so that students can assess their understanding, guided discussion periods and quiz competitions to introduce key values and terminology in a memorable way
£9.00
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