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Hipervinculo Biología
"Chromosomes are organized coiled structures of DNA and histone proteins found in the nucleus of eukaryotic cells. After cell division, chromosomes uncoil into protein-packed complexes known as chroma ...
Video Física
"Planck's constant, abbreviated h, is the ratio of photon energy to the frequency. Planck's constant is used in the blackbody radiation spectrum, which indicates that energy is carried by light in dis ...
Video Biología
"The chloroplast is the organelle in which photosynthesis takes place. Inside the chloroplast there are disk like structures called thylakoids arranged in stacks called granum. The light dependent rea ...
"In real world situations it can be difficult to describe events with a single smooth function. We sometimes need to use piecewise functions to describe these situations. Piecewise functions are funct ...
Video Química
"In chemistry, the mole, also called Avogadro’s Number, is a unit that is useful in converting between atomic mass and molar mass. One mole is 6.02 x 10^23 of something, which was derived from the num ...
Hipervinculo Física
"Siphons are tubes which draw fluid over the rim of a tank to a lower point. After an initial pressure change to initiate the flow, siphons operate continuously due to the pull of gravity. Torricelli ...
Video Química
"Chemistry can be broadly defined as the study of matter and the changes that it undergoes. In Chemistry there are several different branches including organic chemistry, inorganic chemistry, physical ...
Video Física
"Physics mirrors are where light can be reflected and reconvened to form images. Two different types of mirror are concave and convex mirror with different properties. Two types of image formed by mi ...
Hipervinculo Química
"Chemistry corrosion occurs as the result of the oxidation of a metal. It is the process of returning metals to their natural state which is ore. Most metals develop a thin oxide coating that protects ...
Video Física
"Lenses are curved glasses or transparent materials. The focus of convex lenses is where rays parallel to principal axis go. The focus of the concave lenses is where rays parallel to principal come f ...
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