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23 Cards in this Set

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A purine base; a component of nucleotides.
Adenine
Adenine
Virus that infects bacteria.
Bacteriophage
Bacteriophage
Chargaff's rule that state the amount of adenine equals the amount of thymine and the amount of guanine equals the amount of cytosine.
Base-pairing rules
Base-pairing rules
Characteristic of nucleic acids in which the sequence of bases on one strand determines the sequence of bases on the other.
Complementary
Complementary
Nitrogenous base of the pyrimidine class;component of RNA and DNA.
Cytosine
Cytosine
Spiral-staircase structure characteristic of the DNA molecule.
Double helix
Double helix
Sequence of nucleotides that gets translated and transcribed.
Exon
Exon
enzyme that unwinds a DNA molecule's double helix before replication.
Helicase
Helicase
Segment of mRNA transcribed from eukaryotic DNA but removed before translation of mRNA into a protein.
Intron
Intron
Nitrogen base of the purine class; component of DNA and RNA nucleotides.
Guanine
Guanine
Group of genes that has evolved from a single ancestral gene and is characterized by the existence of multiple copies.
Multigene family
Multigene family
Subunit of nucleic acids consisting of a nitrogenous base, a sugar,and a phosphate group.
Nucleotide
Nucleotide
class of organic, nitrogenous molecules in nucleic acids that have a double ring of carbon and nitrogen.
Purine
Purine
Class of organic, nitrogenous molecules in nucleic acids that have a single ring of carbon and introgen.
Pyrimidine
Pyrimidine
Process of synthesizing a new strand of DNA.
Replication
Replication
Point at which the double helix of DNA separates so that it can be copies.
Replication fork
Replication fork
Nitrogenous base of the pyrimidine class; component of DNA.
Thymine
Thymine
The transfer of genetic material from one organism to another; first observed by Griffith.
Transformation
Transformation
Gene that has the ability to move from one chromosomal location to another.
Transposon
Transposon
Substance prepared from killed or weakened pathogens and introduced into a body to produce immunity.
Vaccine
Vaccine
Referring to the deadliness of a disease-causing agent.
Virulent
Virulent
Enzyme that catalyzes the replication of DNA.
DNA polymerase
DNA polymerase
Five-canbons sugar that is a component of DNA nucleotides.
Deoxyribose
Deoxyribose