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17 terms

Chapter 12 Bio Vocab

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Antiparallel strands of DNA
A term used to describe the opposite orientations of the two strands of a DNA double helix; the 5' end of one strand aligns with the 3' end of the other strand.
Bacteriophage
a virus that is parasitic in bacteria
Base pairing
principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
Chargaff's Rule
[A]=[T] and [G]=[C], they pair up across from one another forming two strands also called base pairing.
Complementary
either one of two chromatic colors that when mixed together give white (in the case of lights) or gray (in the case of pigments)
Deoxyribonucleic acid
(biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix
DNA Polymerase
enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule
DNA Replication
the process of making a copy of DNA
gene
(genetics) a segment of DNA that is involved in producing a polypeptide chain
Genome
the ordering of genes in a haploid set of chromosomes of a particular organism
Helix
type genus of the family Helicidae
Nitrogenous Base
an organic base that contains nitrogen, such as a purine or pyrimidine; a subunit of a nucleotide in DNA and RNA
Nucleotide
a phosphoric ester of a nucleoside
Telomere
either (free) end of a eukaryotic chromosome
Transformation
(genetics) modification of a cell or bacterium by the uptake and incorporation of exogenous DNA
Vaccine
immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies
Virulent
extremely poisonous or injurious