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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.
Explain Cephalic Phase or Neural Phase 45% of the total gastric secretion is discharged in this phase. The flow of juice occurs before food reaches the stomach. Sight of food,
Explosives : As defined earlier, explosives release a large amount of gas and energy in a very short time. These are of four basic types: Mixed gases - Usually the mixture
Explain the Histotoxic Hypoxia It is a type of hypoxia in which due to the action of a toxic agent oxidative enzymes are poisoned hence the tissue cells cannot utilize oxygen s
Explain the Spinal Nerves As mentioned earlier, there are 31 pairs of spinal nerves that leave the vertebral canal by passing through the intervertebral foramina formed by adja
What is clay minerals The fraction of secondary minerals is often mixed with primary minerals and oxides of iron, aluminium and silicon and has a size of less than 0.002
what would i need to do to achieve a 7C in science , KS3??
What is ethics
Define Coupled Transport - Secondary Active Transport The transport of two substances may be coupled to each other because they bind to the same carrier in the cell membrane.
We will first give a brief description of the qocial and economic changes of this period so that developments in science can be seen in the proper perspective. Already, by the
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