A. If the optimum temperature for a cell's functions is exceeded, chemical reactions slow down as enzymes and other proteins begin to denature (change shape due to increased vibration of the atoms in the molecules that make up the proteins).
Hydrogen is the lightest element on the periodic table of elements. Hydrogen gas is always bonded to itself or something else to fill its outer shell. That is why hydrogen gas is represented as H2. Hydrogen<span> is odorless, colorless, and tasteless; therefore, it is undetectable by human senses.</span>
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Jatropha<span> plant seeds which are very rich in oil</span>
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I think it explains that the DNA molecules are double helix with alenine and thymine paired together
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The weight of an object at the surface of a planet is proportional to the planet's mass and inversely proportional to the square of the radius of the planet.
