3 Main Constituents of Nucleus | Cell Biology

The following points highlight the three main constituents of nucleus. The constituents are: 1. Nuclear Envelope 2. Nucleolus 3. Nucleoplasm. Constituent # 1. Nuclear Envelope: Under the electron microscope the nuclear envelope appears to consist of two membranes, the outer and the inner nuclear membranes, separated by a peri­nuclear space of 20 nm (Fig. 2.65). Each of the two membranes [...]