MEDIUM
AS and A Level
IMPORTANT
Earn 100

Identify the cell organelle about 25nm in diameter.

Important Questions on Cell Structure
MEDIUM
AS and A Level
IMPORTANT
Identify the cell organelle with a '9 + 2' arrangement of microtubules.

HARD
AS and A Level
IMPORTANT
The transmission electron microscope shows parts of two palisade cells from a leaf. Identify the labelled structures and write a brief statement about their function in a table.
