(a)[1]
State the role of mitochondria.
(b)[1]
Name the structure labelled A.
(c)[2]
Calculate the magnification of Fig. 1.1. Show your working.
(d)[2]
Explain why the light microscope could not be used to produce the image in Fig. 1.1.
(e)[2]
Scientists think that mitochondria were once prokaryotes. The evidence for this is that mitochondria share features with prokaryotes. State two features that mitochondria have in common with prokaryotes.