the name of the late stages of HIV infection
Base triplet at one end of a tRNA molecule that recognizes a particular complementary codon on an mRNA molecule
A virus that infects bacteria
Three-nucleotide sequence of DNA or mRNA that specifies a particular amino acid or termination signal
Catalyzes the covalent bonding of the 3' end of a new DNA fragment to the 5' end of a growing chain
Enzyme that catalyzes the elongation of new DNA by the addition of nucleotides to the existing chain
The form of native DNA, referring to its two adjacent polynucleotide strands wound into a spiral shape
A coding region of a eukaryotic gene
The infectious agent that causes AIDS
A noncoding, intervening sequence within a eukaryotic gene.
Phage replication cycle in which the virus does not kill the host
A type of viral replication cycle resulting in the release of new phages by death or lysis of the host cell
a type of RNA that attaches to ribosomes in the cytoplasm and specifies the primary structure of a protein
The study of the molecular basis of genes and gene expression
Chemical or physical agent that interacts with DNA and causes a mutation
Building block of a nucleic acid
A polymer consisting of many nucleotide monomers
A specific nucleotide sequence in DNA that binds RNA polymerase and indicates where to start transcribing mRNA
a phage genome that has been inserted into a specific site on the bacterial chromosome
The way a cell's mRNA-translating machinery groups the mRNA nucleotides into codons
Enzyme encoded by some RNA viruses that uses RNA as a template for DNA synthesis
The most abundant type of RNA
An enzyme that links together the growing chain of ribonucleotides during transcription
The removal of noncoding portions of the RNA molecule after initial synthesis
Specific three-nucleotide sequence (AUG) to which an initiator tRNA molecule binds
One of three triplets (UAG, UAA, UGA) that signal gene translation to stop
The alternating chain of sugar and phosphate to which the DNA and RNA nitrogenous bases are attached
a special sequence of nucleotides in DNA that marks the end of a gene
The synthesis of RNA on a DNA template
An RNA molecule that functions as an interpreter between nucleic acid and protein language
The synthesis of a polypeptide using the genetic information encoded in an mRNA molecule
When the RNA carrying the growing polypeptide moves from the A site to the P site on the ribosome
A set of three-nucleotide-long words that specify the amino acids for polypeptide chains
a single-ring nitrogenous base found in RNA but not DNA
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