Image J

Sample Pictures Available athttp://biology2020.wikispaces.com/

Onion

Find your file and open it.

Select the straight line tool. Drag across your field of view.

Under analyze: Set scale

Pixels are already there. Enter your known distance.

Trace a cell wall with the free hand tool (before).

Go to analyze: Measure

Analyze: Set Measurements

Measure DNA Distance

Leaf Surface Area

Compare Stomata per surface area

Oak 400X Rose 400X

Choose the Multi point tool (right click)

Click to number(21 in the field of view)

• Diameter= 0.45 mm• Radius= 0.225 mm• Area of FOV= 0.145mm2 (from Image J)• Verify ?