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Select Unit
Question Count
easy
/
medium
/
hard
Unit 1: Chemistry of Life
Easy:
6
Medium:
17
Hard:
4
Unit 2: Cell Structure and Function
Easy:
3
Medium:
2
Hard:
2
Unit 3: Cellular Energetics
Easy:
5
Medium:
6
Hard:
0
Unit 4: Cell Communication and Cell Cycle
Easy:
0
Medium:
0
Hard:
0
Unit 5: Heredity
Easy:
0
Medium:
0
Hard:
0
Unit 6: Gene Expression and Regulation
Easy:
0
Medium:
0
Hard:
0
Unit 7: Natural Selection
Easy:
2
Medium:
2
Hard:
0
Unit 8: Ecology
Easy:
0
Medium:
0
Hard:
0
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