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Neurotransmitter, also called chemical transmitter or chemical messenger, any of a group of chemical agents released by neurons (nerve cells) to stimulate neighbouring neurons or muscle or gland cells, thus allowing impulses to be passed from one cell to the next throughout the nervous system.

The sciatic nerve is the largest and longest spinal nerve in the human body. Extending from the lumbar and sacral plexuses in the lower back, the sciatic nerve runs through the buttocks and into the thighs. It delivers nerve signals to and from the muscles and skin of the thighs, lower legs and feet.

A herbarium is a collection of preserved plant specimens and associated data used for scientific study.
The specimens may be whole plants or plant parts; these will usually be in dried form mounted on a sheet of paper (called “exsiccatae”) but, depending upon the material, may also be stored in boxes or kept in alcohol or another preservative. The specimens in a herbarium are often used as reference material in describing plant taxa; some specimens may be types.

Azadirachtin is an extract of fruit from the Neem tree, which is largely grown in India. It is used as a commercial insect growth regulator that controls the metamorphosis process as the insect passes from the larva stage to the pupa stage.

A tranquillizer refers to a drug which is designed for the treatment of anxiety, fear, tension, agitation, and disturbances of the mind, specifically to reduce states of anxiety and tension. Tranquilizer, as a term, was first used by F.F.

Oranges,Lemon – Citric Acid
Tamarind ,Grapes – Tartaric Acid
Tea -Tannic Acid
Vinegar – Acetic Acid
Urine -Uric Acid
Ant – Formic Acid
Oilive Oil – Oleic Acid

The study of bacteria is called Bacteriology.
The structure of bacteria can be studied with the help of an electron microscope.
The bacterial cell is a prokaryotic cell. It has a rigid cell wall protecting the cell and giving a definite shape to it.

The aldehyde and ketone is the alkene.
Aldehyde and a ketone is the presence of a hydrogen atom attached to the carbon-oxygen double bond in the aldehyde.
Ketones don’t have that hydrogen.

Tinner’s fluid, a common name for zinc chloride when used as a flux.

Older names for this compound include blue vitriol, bluestone, the vitriol of copper, and Roman vitriol.
Copper sulfate pentahydrate is a fungicide. However, some fungi are capable of adapting to elevated levels of copper ions.
Mixed with lime it is called Bordeaux mixture and used to control fungus on grapes, melons, and other berries.

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