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Hypochromic anemia is a generic term for any type of anemia in which the red blood cells are paler than normal. ( Hypo - refers to less , and chromic means colour .) A normal red blood cell has a biconcave disk shape and will have an area of pallor in its center when viewed microscopically.
Diagram of phosphodiester bonds (PO 3− 4) between three nucleotides.The 5' end has a 5' carbon attached to a phosphate, and the other end, the 3' end, has a 3' carbon attached to a hydroxyl group.
Polar molecules must contain one or more polar bonds due to a difference in electronegativity between the bonded atoms. Molecules containing polar bonds have no molecular polarity if the bond dipoles cancel each other out by symmetry. Polar molecules interact through dipole-dipole intermolecular forces and hydrogen bonds.
A covalent bond forming H 2 (right) where two hydrogen atoms share the two electrons. A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
Anemia (also spelled anaemia in British English) is a blood disorder in which the blood has a reduced ability to carry oxygen.This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin available for oxygen transport, or abnormalities in hemoglobin that impair its function.
Today Show. Savannah Guthrie, Carson Daly, Craig Melvin and Al Roker on the 'Today' show
This electronic structure has an electric dipole, hence the name polar bond. In reality, the atoms carry partial charges; the more electronegative atom of the two involved in the bond will usually carry a partial negative charge. One exception to this is carbon monoxide. In this case, the carbon atom carries the partial negative charge although ...
Health and humanitarian groups around the world were still uncertain on Wednesday if and how they could resume work after the United States issued a waiver for "life-saving" assistance in ...