Examlex
Metal cations that form more than one type of ion are usually found in the section of the periodic table known as the transition metals.
Nuclear Pores
Complexes in the nuclear envelope that regulate the transport of molecules between the nucleus and the cytoplasm in cells.
Nuclear Envelope
A double membrane that constitutes the outer boundary of the nucleus. Pores in the membrane control which molecules can cross it.
Lysosomes
Membrane-bound organelles in eukaryotic cells containing enzymes that break down waste materials and cellular debris.
Cellular Debris
Non-functional, dead or dying cells and cellular components that are cast off from living cells.
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