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Explain the Microscope?
Microscope is a powerful and crucial basic tool in the field of microbiology. Microbiology, as we have already studied in our theory Course, is the science dealing with the organisms too small to be seen with unaided eye. The existence of microbial life to the world was introduced first by Antony Van Leeuwenhoek in 1673, with the help of simple, crude, self-made, single-lens microscope having a magnification of about 300.
Over the years, microscopes have evolved to increase the magnification several thousand fold. Modern day microscopes are either light microscopes or electron microscopes. Light microscopes use either visible light or ultraviolet rays to illuminate specimens. These are generally used to look at intact cells. On the other hand, electron microscopes use electron beams instead of light rays and electromagnets instead of lenses. These are generally used to look at internal structures or details of cell surface.
What is molecular weight? Molecular Weight : The molecular weight of a molecule refers to the sum of the atomic weights of all the atoms making up the molecule. The gram mol
What are epithelial tissues? What are their general function and how is that function associated to the features of the tissue? Epithelial tissues, also known as epithelia, are
Explain brownian movement When you view a sol through an ultra microscope, you will observe that colloidal particles appear to be in a state of rapid and irregular motion calle
REFLE X ACTION - Marshel Hall discovered reflex action. Best & Taylor defined it. Reflex action is functional unit of CNS. It is sudden, immediate involuntary acti
Explain Precautions for Gram Staining of Bacterial Cultures? 1. Heat fix the smear, otherwise cells would be washed off. 2. Fresh 24 hrs old culture should be used. Gram var
Q. Show the process of Healing abutment? Healing abutments are therefore not considered ideal. It is for this reason that the definitive abutment, selected at first stage surge
How Proteins can be Classified? I. Shape and size: fibrous proteins and globular proteins. Fibrous proteins play structural roles in organisms. Globular proteins consist of lo
How many progeny flies are expected to have full wings and gray bodies?
Q. In which meiotic division does the separation of identical chromatids take place? And After the end of this process what are the ploidies of the new cells? The separation of
what is the chemical reaction of respiration in cockroach?
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