Examlex
A sample of pure lithium chloride contains 16% lithium by mass.What is the % lithium by mass in a sample of pure lithium carbonate that has twice the mass of the first sample?
Chromosomes
Structures within cells that contain DNA and carry genetic information vital for cell function, development, and reproduction.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
Deoxyribonucleic Acid
A molecule that contains the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses.
Triplicate
A term or condition involving three copies or instances of something.
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