CHAPTER 3 - Gene Control, Cell Cycle, and Cancer

GUYTON PHYSIOLOGY
CHAPTER 3

This explains how genes, composed of DNA, control cell function and reproduction through protein synthesis. It describes the process of transcription, where DNA's code is copied to RNA, and translation, where RNA directs protein formation on ribosomes. This also details DNA replication, which precedes cell division (mitosis), outlining the steps involved and the roles of various enzymes. Furthermore, it discusses mechanisms controlling cell growth and differentiation, including apoptosis (programmed cell death) and the causes and characteristics of cancer, such as gene mutations and viral influences.

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