Required Practical: Microscopy (AQA GCSE Biology Combined Science): Flashcards

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Required Practical: Microscopy
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Stain for plant cells

Iodine solution

Stain for animal cells

Methylene blue stain

Starting magnification on microscope

Lowest (e.g., 4x objective)

Coarse focus knob function

Bring image into general focus

Fine focus knob function

Sharpen the image

Magnification formula

Magnification=Size of ImageReal Size of Object\text{Magnification} = \frac{\text{Size of Image}}{\text{Real Size of Object}}

Plant cell shape

Regular shape

Animal cell shape

Irregular shape

Structure in plant cells but not animal cells

Cell wall and chloroplasts

Purpose of stains in microscopy

Enhance visibility of cell structures

Explore AQA GCSE Biology Combined Science Revision Notes by Topics

Cell Structure

Cell Division

Transport in Cells

Explore AQA GCSE Biology Combined Science Model Answers by Topics

Cell Structure

Cell Division

Transport in Cells

Explore AQA GCSE Biology Combined Science Quizzes by Topics

Cell Structure

Cell Division

Transport in Cells

Explore AQA GCSE Biology Combined Science Exam Questions by Topics

Cell Structure

Cell Division

Transport in Cells

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