DNA & RNA Vocabulary Flashcards
Double Helix
The shape of a DNA molecule.
Nitrogen Bases
Molecules that contain nitrogen and other elements.
Adenine
A purine base that codes hereditary information in the genetic code in DNA and RNA.
Thymine
A pyrimidine base that is one of the four bases coding genetic information in the polynucleotide chain of DNA.
Guanine
A purine base that codes genetic information in the polynucleotide chain of DNA or RNA.
Cytosine
A pyrimidine base that codes genetic information in the polynucleotide chain of DNA or RNA.
Gene
A sequence of DNA that determines a trait and is passed from parent to offspring.
DNA
Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring.
Chromosomes
A threadlike structure within a cell’s nucleus that contains DNA that is passed from one generation to the next.