A student studied two photographs, at the same magnification, of a palisade mesophyll cell, one using a light microscope and the other using an electron microscope.
The student observed:
1) the cisternae of the Golgi apparatus
2) the grana in the chloroplasts
3) the two membranes of the nuclear envelope
4) the vacuole enclosed by a tonoplast.
Which features can only be seen because of the higher resolution of the electron microscope?
1, 2 and 3 only
2 )
1, 2 and 4 only
3 )
1, 3 and 4 only
4 )
2, 3 and 4 only
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