Examlex
At 25 °C the concentration of H +1 in pure water is 1 10 -7 M.
X-Rays
A form of electromagnetic radiation with a wavelength ranging from 0.01 to 10 nanometers, capable of penetrating various materials and used in medical imaging and materials analysis.
Mutations
Changes in the DNA sequence of an organism's genome, which can lead to diversity within species but also cause diseases.
DNA
Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.
Atmospheric Oxygen
The oxygen gas (O2) present in the Earth's atmosphere, essential for the respiratory processes of most living organisms.
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