How much protein is absorbed at a time
Are you an athlete or a person who is anxious about his health and figure? Then the question of how much protein is absorbed in one meal, you worry and, most likely, quite often. Do not think that ...
Electrostatic field potential
The energy of a system of point charges as the sum of the energy of pair interaction of charges (and the principle of superposition) The potential energy of a charge in an electric field. The work done by the forces of an electric field when ...
How to determine the valency of complex compounds
Electronegativity, like other properties of atoms of chemical elements, changes periodically with an increase in the element serial number: The graph above shows the periodicity of changes in electronegativity ...
Kingdom: Animals (Zoa, Animalia)
A species is a collection of individuals that are similar in structure, vital processes, habitat requirements, able to freely interbreed in nature, produce fertile offspring and inhabit ...
Plant diagrams of the main families
Fertile parts of the flower (stamen, pestle). Sterile parts of the flower (calyx, corolla, perianth). A flower is an organ of seed propagation of angiosperms. In the flowers, the formation of micro- and mega-spores, ...
