Eukaryotic cells and their contents

Electron Micrograph Animal Cell

We promised not to consider evolutionary theory until later in the book, but we have already invoked it several times, mentioning biological drive, transmission and survival of genes, adaptation, and so on. This shows how difficult it is to survey any part of modern biology without referring at least implicitly to biology's central theory. During the next few chapters, these implicit references will continue. However, we shall defer explicit discussion of the theory until chapter 11. Our...