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A Science Odyssey You Try It: DNA Workshop Title


Glossary


amino acid
the building block of proteins


chromosome
a structure within a cell, made up of DNA, that directs the activity within the cell and passes on genetic information to new cells


DNA (deoxyribonucleic acid)
ladder-like molecule that stores genetic information, including information needed to build proteins


enzyme
a protein that helps control chemical reactions


nucleotide
the basic unit of DNA consisting of a base (A, C, T, or G), a sugar, and a phosphate


polypeptide
a chain of amino acids joined together by peptide bonds; proteins are made up of one or more polypeptides


protein
long-chained molecules used to build and repair cells; made of one or more chains of amino acids


ribosomes
protein-making sites within cells


RNA (ribonucleic acid)
substance that reads the genetic information carried by DNA; the same as DNA except that it is made up of only one strand, contains the base uracil (U) instead of thymine (T), and contains the sugar ribose instead of deoxyribose



DNA Replication

All Wound Up


Back to first page of DNA Workshop



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