Pauline Alderson, Martin Rowland's Making Use of Biology for GCSE PDF

By Pauline Alderson, Martin Rowland

ISBN-10: 033345992X

ISBN-13: 9780333459928

ISBN-10: 1349100625

ISBN-13: 9781349100620

Revised in attention of adjustments made within the ULEAC syllabus B for Biology and the advance of the nationwide Curriculum for technological know-how, this ebook emphasizes the purposes of Biology. it's been up-to-date all through with sections increased and extra to supply updated info.

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Your Petri dish is sterile. It is important to keep it sterile. Open it only when these instructions say you should. 12). Treat the Petri dish containing the culture of Rhizopus in the sa me way: you mu st avoid contaminating it and you must also avoid releasing spores into the air. 2. Turn your Petri dish upside down on its lid. Use the spirit marker and a ruler to draw two lines at right angles to each other across the middle of the base of the dish . Write Rhizopus (the name of the fungus to be grown), your initials and the date near the edge of the dish.

Open it only when these instructions say you should. 12). Treat the Petri dish containing the culture of Rhizopus in the sa me way: you mu st avoid contaminating it and you must also avoid releasing spores into the air. 2. Turn your Petri dish upside down on its lid. Use the spirit marker and a ruler to draw two lines at right angles to each other across the middle of the base of the dish . Write Rhizopus (the name of the fungus to be grown), your initials and the date near the edge of the dish.

Enzymes used in this way are called immobilised enzymes. The manufacturer uses the same immobilised enzyme again and again. New uses for immobilised enzymes are discovered all the time: we are only at the beginning of enzyme technology. Though we say we are living in a technological age, technology as such is not new. Technology is any deliberate use of materials or energy to meet human needs. Early humans' use of sharpened stones for cutting up animals or to fight with was technology. Great technological advances include the inventions of the wheel, the steam-engine and the internal-combustion engine (used in cars).

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Making Use of Biology for GCSE by Pauline Alderson, Martin Rowland


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