Biochemistry

2 Figure 1.1 - Scheme of cell structure 1- mitochondria; 2 - lysosome; 3 - free ribosomes; 4 - cytoplasmic membrane; 5 - chloroplast; 6 - core; 7 - nuclear membrane; 8 - nucleolus; 9 - endoplasmic reticulum; 10 - Golgi apparatus Cytoplasmic membrane. The internal environment of the cell is different from the external. A natural barrier between them is the cell membrane, whose main function is to regulate the metabolism between the cell and the environment (Fig. 1.2). Figure 1.2 - The structure of the plasma membrane 1- lipid; 2 - protein 25