Term
|
Definition
| The set of nongenetic traits, qualities, or features that characterize a person or thing. |
|
|
Term
|
Definition
| any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil. |
|
|
Term
|
Definition
| a nitrogen-containing organic compound that has the chemical properties of a base, especially a pyrimidine or purine: Four nitrogen bases are present in a DNA molecule. |
|
|
Term
|
Definition
a heterocyclic compound, C 4 H 4 N 2 , that is the basis of several important biochemical substances.
one of several pyrimidine derivatives, especially the bases cytosine, thymine, and uracil, which are fundamental constituents of nucleic acids. |
|
|
Term
|
Definition
| a white, crystalline compound, C 5 H 4 N 4 , from which is derived a group of compounds including uric acid, xanthine, and caffeine. |
|
|
Term
|
Definition
| the spiral arrangement of the two complementary strands of DNA. |
|
|
