a stock or supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively is resource .it is of two type human and natural resources.
Nucleoside analogs are the mutagenic chemicals that have a structure that is similar to the normal bases of the nucleotide and thus can be incorporated in the DNA during the process of replication, however as it has different base-pairing rules than the normal nucleotide base it can lead to mutations.
An example of a nucleoside analog is acyclovir which an analog of guanosine.