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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.
Before we proceed to discuss kin selection we should define the term altruism. It refers to the behaviour pattern of an individual in the population for the benefit of other member
It is found in around 20 per cent cases of ARF and it is a late manifestation occurring even 3 months after GAS pharyngeal infection. Chorea is triggered by emotional disturbances
Define about the Mid-day Meal Programme? The National Programme of Nutritional Support to Primary Education commonly known as the Mid Day Meal (MDM) Scheme (was launched in Aug
Why do vestigial structures persist in modern organisms? Explain the evidence that indicates that species evolve over time. The environment will not select for or against
The major function of the nerve cells of the body is contact. This is accomplished by passing electrical and chemical messages from neuron to neuron or from neuron to one other goa
Explain about the Dysphagia? Dysphagia is the inability to swallow or difficulty in swallowing. It is a common problem in those with neurological disorders and can occur in any
What is Protein Synthesis? Protein Synthesis : Protein synthesis begins in the nucleus, with the formation of mRNA from a DNA template through transcription. The function of
Determine the Adequacy of children's food? Adequacy of children's food and nutrient intake depends on: Sibling company Peer pressure Model set by parents and
Tall (T) plants are dominant and short (t) plants are recessive. Two heterozygous tall plants are crossed. What percentage of the offspring will be tall?
Q. Meaning of Counselling in diabetes mellitus? The word counselling is a very broad term which is used for helping others to overcome their particular difficulty. It has been
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