Chapter 1 Sec. 1/2
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A replication ______ is the area that results after the double helix separates during replication
pairing
Base-_____ rules describe the arrangement of the nitrogen bases between two DNA strands
complementary base pairing
a characteristic of nucleic acids in which the sequence of bases on one strand is paired
bacteriophage
a virus that infects bacteria
dihybrid cross
crosses of two more genes of two heterozygous pea plants
Punnett Square
diagram that predicts an outcome of a particular cross or breeding experiment
virulent
disease-causing
DNA polymerase
enzyme that adds nucleotides to exposed nitrogen bases
helicase
enzyme that separates DNA by breaking the hydrogen bonds that link the nitrogen bases
deoxyribose
five-carbon sugar found in DNA nucleotides
nucleotide
name for the DNA subunit/ monomers of nucleic acids/ purines or pyrimidine that are organic molecules
transformation
occurs when a bacterium takes up DNA from its environment
double helix
refers to the spiral staircase structure that is characteristic of DNA molecule
complementary
relationship of two DNA strands to each other
DNA
the material that contains the information that determines inherited characteristics
DNA replication
the process by which DNA is copied
helix
the term double ______ is used to describe the shape of DNA
transformation
transfer of genetic material from one bacterium to another