Culturing microorganisms edexcel igcse biology revision. Gcse biology question paper unit 03 biology foundation. Use of microorganisms and fermenter to manufacture enzymes. The fermenter allows fine control of the air supply, temperature and ph to. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The diagram shows a fermenter used to grow fusarium. It covers the following objectives from the syllabus. The fermenter commonly comes up on gcse biology exam papers and this worksheet will help your students to get to grips with how the fermenter works, providing them also, on completion, with a clear and comprehensive revision resource. Inside the fermenter, the microorganisms are provided with everything they need to grow and reproduce, e.
Fermentation does not involve an electron transport system, and no atp is made by the fermentation process directly. Nov 30, 2014 written by paul gillam 4 comments posted in igcse biology posts, section 5. Industrial fermenters microorganisms and food gcse. It encourages learners to develop confidence in, and a positive attitude towards, biology and to recognise its importance in their own lives and to society.
Edexcel international gcse 91 biology student lab book. You must answer the questions in the spaces provided. Jun 05, 2020 a clearly laid out and visual worksheet which focuses on the labelling of the parts of the fermenter and their roles. Student book with interactive online edition ag course cgp books. Student book edexcel international gcse 91 biology develop your practical skills with investigative tasks check your progress and understanding using the end of the topic checklists and. Just select the question paper, click on the desired question and find the most concise, easy to understand answers, all at the click of a button. Aqa gcse biology end of chapter answers this webpage contains the new 91 gcse aqa biology revision notes and new 91 gcse aqa biology textbook answers third edition aqa gcse biology end of chapter answers. Penicillium mould for producing penicillin an antibiotic. Information there are 100 marks available on this paper. Jun 19, 2017 if you change your mind about an answer, put a line through the box and then mark your new answer with a cross. Pearson centre number candidate number edexcel gcse biology. Mar 10, 2019 a bundle of 20 comprehensive gcse biology resources, consisting of over 40 visually appealing and clearly laid out worksheets, all accompanied by a separate answer s more information huge gcse biology worksheet pack by beckystoke teaching resources tes.
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Fermenters are containers used to grow bacteria and fungi in large amounts, eg penicillium mould for producing penicillin an antibiotic. The worksheets are designed to be worked through independently by pupils and cover the following gcse topics. Stored glycogen can provide glucose to respiring cells in a different part of the body as follow. A water jacket surrounding the fermenter maintains an optimum temperature so. Edexcel international gcse biology student book pages 1. Fermenters are containers used to grow bacteria and fungi in large amounts. May 20, 2009 favorite answer glucose is added to provide the energy source for aerobic respiration of microorganisms in the fermenter. As understood, finishing does not suggest that you have fabulous points.
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Fermenters are containers used to grow culture microorganisms like bacteria and fungi in large amounts these can then be used for brewing, making yoghurt and mycoprotein and other processes not involving food like producing genetically modified bacteria and moulds that produce antibiotics. These can then be used for brewing, making yoghurt and mycoprotein and other processes not involving food like producing genetically modified bacteria and moulds that produce antibiotics the advantage of using a fermenter is that conditions can be carefully controlled to produce large. A fermentor bioreactor is a closed vessel with adequate arrangement for aeration, agitation, temperature and ph control, and drain or overflow vent to remove. Revision books and workbooks for edexcel igcse biology. Find them here looking for the practice and summary question answers for the separate science student books. Igcse edexcel biology industrial fermenter triple diagram.
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