In this article we will discuss about:- 1. Concept of DNA 2. Structure of DNA 3. Unusual Bases 4. Replication. Concept of DNA: DNA is present in the cells of all plants, animals, prokaryotes and in a number of viruses. In eukaryotes (e.g., Escherichia coli, a bacterium) the genetic material consists of a single giant […]
DNA: Structure, Unusual Bases and Its Replication
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Biological Significance of DNA and RNA
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In this article we will discuss about the biological significance of DNA and RNA. DNA usually includes two nucleotide polymers joined together by the matching or complementary shapes of their bases. The relationship between bases in a DNA double helix is a lock and key relationship. The four bases of DNA can interlock to form […]
5 Main Structures of Nucleus (With Diagram) | Cell Biology
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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 […]
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