3B: Gene Regulation
Terms in this set (20)
A gene that codes for a protein, such as a repressor, that controls the transcription of another gene or group of genes.
A unit of genetic function common in bacteria and phages, consisting of coordinately regulated clusters of genes with related functions.
A protein that binds to DNA and stimulates transcription of a specific gene.
A specific small molecule that inactivates the repressor in an operon.
Region of DNA that controls RNA polymerase's access to a set of genes with related functions.
Nucleotide sequences that allow the genes of an operon to be transcribed.
Nucleotide sequences that mark the end of a gene or operon.
A protein that suppresses the transcription of a gene.
Short regions of DNA that can be bound with proteins to enhance transcription.
An example of a repressible operon.
An example of an inducible operon.
An operon under negative control. It is usually "on" but can be turned "off".
An operon under positive control. It is usually "off" but can be turned "on".
Proteins that bind to specific DNA sequences or other regulatory proteins that promote or block RNA polymerase.
Normal somatic cells will become growth inhibited when they encounter another cell.
A diverse group of soluble molecules which act as hormonal regulators or signaling molecules and help in cell signaling.
Y linked gene that triggers the male sexual development pathway in animals.
Plant hormones in the seed embryo that signal starch hydrolysis during germination.
Signaling molecules that stimulate cell differentiation and development.
Molecule that prevents mitosis in cells with damaged DNA. Changes in its activity can result in cancer.
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