1. This TEM view of part
of root tip cells in Eucalyptus sieberii was prepared by rapid freezing
under high pressure, followed with freeze substitution. This procedure is held
to give the most faithful representation of the live state, and the results
differ in detail from the results of chemical fixation (as used in the preceding
5 screens). Labels indicate examples of mitochondria (M), Golgi apparatus (G),
endoplasmic reticulum cisternae (ER), cell wall (CW, plasma membrane (PM), vacuoles
(Vac) and their limiting membrane the tonoplast (T). (Acknowledgement A. R.
Hardham)
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