A student examined two photographs of a palisade mesophyll cell, both at the same magnification, one taken with a light microscope and the other with an electron microscope. The student noticed the following features. Which features can only be observed because the electron microscope has a higher resolution?
- A1, 2 and 3 only
- B1, 2 and 4 only
- C1, 3 and 4 only
- D2, 3 and 4 only