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Ion Channel Each living cell is surrounded by a membrane which separates the world within the cell from its exterior. In this membrane there are…

Regulation of Cholesterol Metabolism Cholesterol is an extremely important biological molecule that has roles in membrane structure as well as being a precursor for the…

MGE: Mobile Genetic Elements Mobile genetic element broadly any genetic element capable of moving itself, with or without duplication, from one site in a genome…

Dendritic Cell and Its Role in Adaptive Immunity Dendritic cells (DCs) are a heterogenous population of antigen-presenting cells that have crucial roles in promoting both…

IVF: In Vitro Fertilization In Vitro Fertilization or IVF is a complex series of procedures used to treat fertility or genetic problems and assist with…

HIV: Human Immunodeficiency Virus Human Immunodeficiency Virus is a virus that attacks the immune system, the body’s natural defense system. Without a strong immune system,…

Cell Mediated Immune Defence or Response The immune system distinguishes two groups of foreign substances. One group consists of antigens that are freely circulating in…

Split Genes or Interrupted Genes Split Genes is a gene that when transcribed results in pre-mRNA containing exons interrupted by introns. Splicing is generally performed…

MRI: Magnetic Resonance Imaging Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to make pictures…

Key Regulators of the Cell Cycle All the cells in our body came from a single cell, the fertilized egg cell. During our physical growth,…

Signal Transduction in the Nervous System Signal Transduction is a basic process in molecular cell biology involving the conversion of a signal from outside the…

The Quantum Theory of Optical Coherence In the early sixties Roy was drawn into a completely different topic. He developed the quantum theory of optical…