Jung e Neherwaan aur Khawaarij ka Khaatimah || By Hafiz Javeed Usman Rab...

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Lipids

 What is lipid?  LIPIDS The lipids are a heterogeneous group of compounds related to fatty acids. They are insoluble in water but soluble in organic solvents such as ether, alcohol, chloroform and benzene. Importance of Lipids Lipids plays significant roles in living organisms. i. Structural components of the cell: Lipids, as hydrophobic compounds, are components of cellular membranes. ii. Source of energy: Lipids are also used to store energy. Because of a higher proportion of C-H bonds and a deficient proportion of oxygen, lipids store double the amount of energy as compared to the same amount of any carbohydrate iii. Insulating agent: Some lipids provide insulation, e.g. beneath the skin, against atmospheric heat and cold and also provide water protection material iv. Protection: Waxes, in the exoskeleton of insects, and cutin, an additional protective layer on the cuticle of epiderm. Get True Knowledge
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Guns Which Works Under Water Well

How the guns underwater work well or guns can fire underwater also. To understand this phenomenon. First, we understand the functions of guns.  Basically, guns categorized semi-automatic fully automatic and old types of single fire. Every gun which fires single can operate underwater. And the guns semi-automatic or fully automatic depends upon their mode of loading another bullet. Some load another bullet by the gas pump. They contain gas chamber when the bullet fired gas chamber filled with the gas and push the piston back which in resultant upload another bullet. These types of guns cannot be operated underwater because when fire bullet the gas chamber will fill with water instead of gas. On the other hand, the guns which load the second bullet by jolt they can operate underwater. Because there is no gas chamber. They produce jolt which loads the second bullet. All pistols like T.T 30, 9mm and revolver can operate underwater. American gun M-16 can also operate...
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