Examlex
Naturally occurring uranium ultimately decays to isotopes of the element named ______________.
Cytoplasm
The jelly-like substance within a cell enclosed by the cell membrane, containing all organelles and cell parts.
Nucleus
Of an atom, central core area occupied by protons and neutrons. Of a eukaryotic cell, organelle with a double membrane that holds the cell’s DNA.
Nitrogenous Base
A molecule found in DNA and RNA that encodes the genetic information in cells.
DNA
A molecule comprising nucleotide chains that encode genetic information vital for the development, functioning, and reproduction of all living organisms and many viruses.
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