Exam (elaborations)
OCR A-Level Biology - Modules 1-4
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why do specimens need to be thin when observing them under a light microscope? - to allow light to pass through Identify and explain the starch test - add iodine dissolved in potassium iodide solution to the sample - positive test = blue-black - negative test = orange-brown Why is the structure of the plasma membrane often referred to as the fluid mosaic model? - - the continuous bilayer is 'fluid' as the phospholipid molecules are constantly moving - protein molecules are scattered through the bilayer like a mosaic
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OCR A-Level Biology
Course
OCR A-Level Biology
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Written for
- Institution
- OCR A-Level Biology
- Course
- OCR A-Level Biology
Document information
- Uploaded on
- February 24, 2023
- Number of pages
- 18
- Written in
- 2022/2023
- Type
- Exam (elaborations)
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- Unknown
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- ocr a level biology
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ocr a level biology modules 1 4
-
why do specimens need to be thin when observing them under a light microscope
-
identify and explain the starch test
-
why is the structure of the pl
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