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Explain chemical bonds in basic chemistry?
Chemical Bonds : Chemical bonds are forces that join atoms together in a functional unit. There are three types of bonds that can occur between atoms: ionic bonds, covalent bonds, and hydrogen bonds. Ionic bonds hold atoms together in crystals. Ionic bonds are formed when a positively charged atom, usually a metal, completes its outer shell by borrowing elecron(s) from a negatively charged nonmetal. Covalent bonds form when atoms share electrons to form the molecules that compose compounds, substances with different physical and chemical properties than the component atoms. For instance, hydrogen gas and oxygen gas join to form water, a liquid. Hydrogen bonds tend to make water and certain other compounds more cohesive and adhesive. Van der Waals forces and hydrophobic interactions are weak nonpolar associations important in living cells.
Which of the following is a false statement regarding gel electrophoresis? A. An electric current is used in order move DNA fragments by a semi-porous gel. B. Fragments of n
Explain about the paediatric and psychological specialists What is not controversial is the fact that paediatric and psychological specialists frequently encounter infants and
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Describe the Physiology of atrial septal defect? In ASD the magnitude of left to right shunt is determined by the size of the defect and the relative compliance of the right ve
questions and answers on human impacts on environment
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Define Drug metabolism (Poly-pharmacy)? As older persons are sometimes prescribed number of medications, care is to be taken, as there is reduction in renal and hepatic clearan
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Explain about the Nucleoproteins? Nucleoproteins are combinations of nucleic acids land simple proteins, which usually consists of a large number of basic amino acids. Nucleopr
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