The following points highlight the five main structures of nucleus and its functions. The structures are: 1. Nuclear Envelope or Karyotheca 2. Nuclear Lamina 3. Nuclear Matrix 4. Nucleoplasm 5. Nucleolus. Structure # 1. Nuclear Envelope or Karyotheca: The nuclear membrane or karyotheca form an envelope-like structure around the nuclear contents and is commonly known as nuclear envelope. The nuclear [...]
In this article we will discuss about DNA:- 1. Introduction to DNA 2. Structure of DNA Molecule 3. Nucleoside 4. Deoxyribonucleotide 5. Polynucleotide 6. Double-Helical Structure of Normal DNA 7. Different Types of DNA in Different Organisms 8. Different Forms 9. Super-Twisting 10. DNA Bending 11. Unusual Structures 12. Biological Significance or Properties 13. Functions. Contents: Introduction to DNA Structure [...]
In this article we will discuss about Genetic Material:- 1. Properties of Genetic Material 2. Evidence of Genetic Material. Properties of Genetic Material: A living cell is composed of several inorganic and organic components. Among them, one will obviously act as genetic material responsible for controlling hereditary characters. Identification of this genetic material remained controversial for a long time. Now [...]