small gaps in the nuclear envelope which allows passage of materials in and out of the nucleus

large molecules composed of smaller units of nucleotides; includes both RNA and DNA

small structure inside the nucleus of a cell, where ribosomes are manufactured

any of a group of molecules that link together to form the basic structural unit of DNA and RNA

1. collection of nerve cell bodies within the central nervous system. 2. a membrane-bound organelle, found in all eukaryotic cells, which contains most of the cell's genetic material. 3. the positively charged centre of an atom.

functional foodstuff, including fortified food and dietary supplements, that may have health benefits

a component of food with a metabolically useful function

rapid involuntary movement of the eyes, either in a horizontal or vertical direction