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Explain the Discovery of Cell
Let us study here about the scientists who played a pioneer role in discovering the basic component of any living organism -the cell. Robert Hooke (1665) is credited with the discovery of cell. Hooke observed a honeycomb-like pattern in a very thin slice of cork as shown in the Figure. As you can see, this honeycomb-like structure consists of a thick wall, enclosing box-like compartments for which he coined the term cellulae for the first time and this term is synonymous to what we call as cells. He regarded cellulae as passages for conducting fluids.
Antony Van Leeuwenhoek, on the other hand, was the first to observe free cells. You may already be aware that these are single organisms.
Making a 'gusher' with compressed air Secure a large narrow-necked bottle like as is used for soda water. Place a single-hole stopper in the bottle. By the stopper put a 10- cm
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Explain parasympathetic Nerves System Another system that runs parallel to the sympathetic system is termed as the parasympathetic system. This system has an effect just opposi
what is the valproic acid toxicity?
QUESTION (A) Describe, with diagram, the structure of a neuron (B) ‘Neurons are specialized cells that carry messages.' Describe how messages are carried by neurons (C) F
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INTRODUCTION : By doing this exercise, you will learn how to deal with emergency situations arising out of laboratory accidents. You are aware that a tense situation arises once a
International economic order: The developing countries mostly threw off the colonial yoke in the 1940s and 1950s, and ever since they have been struggling to stand on thei
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