A	C157225	CBDD Terminology	C164238	Chemical Attenuation	Chemical attenuation		The use of a chemical agent to reduce the force or intensity of something.
A	C157225	CBDD Terminology	C164239	Ultraviolet Irradiation Attenuation	Ultraviolet irradiation attenuation		The use of ultraviolet radiation to reduce the force or intensity of something.
A	C157225	CBDD Terminology	C164241	Cross-Linked Chemical Connection Points	Cross-linked structural repeat unit connection points		The atoms that make up the head and the tail points within a structural repeat unit that are involved in cross-links in a polymer.
A	C157225	CBDD Terminology	C164242	Nucleotide Polymer	Polynucleotide		A biopolymer composed of nucleotide monomers.
A	C157225	CBDD Terminology	C164243	Structural Repeat Unit	Structural repeat unit		A chemical fragment that represents a single repeating structure in a polymer.
C	C157225	CBDD Terminology	C157217	Viral Hemagglutinin Purification	Viral hemagglutinin purification		The process used to isolate hemagglutinin from a viral sample.
C	C157225	CBDD Terminology	C157218	Viral Neuraminidase Purification	Viral neuraminidase purification		The process used to isolate neuraminidase from a viral sample.
C	C157225	CBDD Terminology	C157219	Viral Envelope Glycoprotein Purification	Viral envelope glycoproteins purification		The process used to isolate envelope glycoproteins from a viral sample.
C	C157225	CBDD Terminology	C157220	Antigen Cultivation	Antigen cultivation	Antigen generation	The method used to collect and isolate the antigenic proteins or DNA from a pathogen or pathologic sample.
C	C157225	CBDD Terminology	C157224	Nucleotide Substitution Site	Nucleotide substitution site	Nucleotide substitution point	The nucleotide position that is substituted in a nucleic acid variant.