Combined Science Biology Required

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Combined Science Biology Required Practicals – Microscopy

Microscopy Required Practical

Slides 3&4 – Size ordering

Smallest Largest

Slide 6 – Diagram & Questions

1. The DNA’s width is 3 nm, what is this in micrometers?

2. The e-coli’s length is 2 µm, what is this in millimeters?

3. The mitochondria’s width is 4 µm, what is this in millimeters?

4. The red blood cell has a diameter of 7 µm, what is this in nanometers?

5. The ovum has a diameter of 120 µm, what is this in centimeters?

Combined Science Biology Required Practicals – Microscopy

Slide 7 – Standard form

Universe: Earth: Effiel Tower:

Atom: Hair

Exam Questions:

Combined Science Biology Required Practicals – Microscopy

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