Category: General

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Human respiratory system

Human respiratory system: Definition: A system of organs functioning in respiration is called respiratory system. Explanation: Human respiratory system consists of lungs and air passage to carry air to and from lungs. A) Air...

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Mitochondria

Mitochondria: Mitochondria (singular: mitochondrion) are organelles within eukaryotic cells that produce adenosine triphosphate (ATP), the main energy molecule used by the cell. For this reason, the mitochondrion is sometimes referred to as “the powerhouse of the cell”. Mitochondria...

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Lysosome

Lysosome: A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading...

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Plasma Membrane

Plasma Membrane: The cell membrane (also known as the plasma membrane (PM) or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space) which protects the cell from its environment. Cell membrane consists...

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Prokaryotic and eukaryotic cells

Prokaryotic and eukaryotic cells: Prokaryotic cells and eukaryotic cells are the two types of cells that exist on Earth. There are several differences between the two, but the biggest distinction between them is that...

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Structure and genome of HIV

Structure and genome of HIV: The genome and proteins of HIV (human immunodeficiency virus) have been the subject of extensive research since the discovery of the virus in 1983.[1][2] “In the search for the causative agent, it was initially believed that...

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Viral Diseases

Viral Diseases: Not all viral diseases are contagious. This means they aren’t always spread from person to person. But many of them are. Common examples of contagious viral diseases include the flu, the common...

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Uses of Bacteriophage

Uses of Bacteriophage: Phage Therapy:                           Phage therapy or viral phage therapy is the therapeutic use of bacteriophages to treat pathogenic bacterial infections. Phage therapy has many potential applications in human medicine...

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Tissue Culture

Tissue Culture:                           Tissue culture is the growth of tissues or cells in an artificial medium separate from the organism. This is typically facilitated via use of a liquid, semi-solid, or solid growth medium, such as broth or agar. Tissue...

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Techniques used in cell biology

Techniques used in cell biology: The following points highlight the top sixteen techniques used in cell biology. Some of the techniques are: 1. Immunofluorescence Microscopy 2. Ion-Exchange Chromatography 3. Affinity Chromatography 4. Partition and...

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