Life Science Grade 11

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Grade 11 Life Sciences Lesson PlansGRADE 11 SUBJECT Life Sciences WEEKWeek 1TOPIC Viruses - structure LESSON 2LESSON SUMMARY FOR: DATE STARTED:LESSON OBJECTIVESDATE COMPLETED:Content:Basic structure and general characteristics.• Use charts, electron-micrographs, microscopes etc, to describe the general structure of viruses.• Study the basic shapes and arrangements of viruses.• List the general characteristics of viruses.Learners should be able to:• Discuss the classification of viruses• Explain why viruses are not considered to be living organisms• Describe and recognize the structure of a virusTEACHER ACTIVITIES LEARNER ACTIVITIES TIMING RESOURCES NEEDED• Individual work , drawings and answering questions1. I. McKay, et al (2012),1.IntroductionSolutions for all Life• Discuss the cell as the smallest unit of lifeSciences Grade 11 pp. 5 -• Revision of 7 living characteristics6• Ask the following questions• Answer questionsIntroduction (5min)2. W. Bezuidenhout, et al• 1. Can viruses be classified as living? (viruses do not display any of the living characteristics( 2012), Oxford Successfulsuch as metabolic activities and therefore are not cells, they are only able to reproduceLife Sciences Grade 11inside of a host cell)p 11 – 12• 2. Are virus’ cells? ( no they are acellular as they are tiny particles of genetic materialsurrounded by a protein coat)1.2 Main Body (Lesson presentation)• Individual work• Write down basic characteristics and structure of viruses into the work book• Write down a brief15 min• Viruses consist of a central core of nucleic acid either DNA or RNA.description of the• They have a capsid or protein coat around the nucleic acidstructure of viruses• Viruses have various shapes that consist of symmetrical facets• Viruses do not perform any metabolic reactions of living organisms (no cellular respiration)• Solutions for all LifeTerm 1 Page 4© Gauteng Department of Education (CAPS version)
Grade 11 Life Sciences Lesson Plans• Viruses cannot reproduce unless they have a hostSciences Grade 11• Viruses are parasitic on plants, animals, protists and bacteriapp.5• Most viruses are pathogens and can cause diseases in their host• Oxford Successful Life• Learners should draw and label a diagram of a bacteriophage as an example of a virus in• Draw virus diagram10 minSciences Grade 11 pp.their workbook12• Learners complete the activity by answering questions in their workbooks• Read through activity15 min3. Conclusionand complete• Summarise the main conceptsquestionsConclusion(5 min)• Make sure that learners understand the differences between living organisms and nonlivingvirusesReflection/Notes:Name of Teacher:HOD:Sign:Sign:Date:Date:Term 1 Page 5© Gauteng Department of Education (CAPS version)
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Life Science Grade 11

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