regulator
The operon segment composed of the gene that codes for a protein repressor is called the regulatory gene. This gene produces the repressor protein that can bind to the operator region of the operon, preventing transcription of the structural genes when the repressor is bound.
The French are called "Les Français" in French.
It is called civil war.
It is called an improvement.
Generally it is called emigration.
That is often called patriotism, but it is sometimes called nationalism.
A repressor protein, also called an Inhibitor.
Repressor
A segment of DNA that codes for a protein is called a gene, or an exon.
Fingernails and hair (and claws, hooves and horns on animals) is composed of a protein called "Keratin".
A segment of DNA on a chromosome that controls the production of a protein is called a gene. Chromosome a cellular structure that contains DNA.
They are composed of a protein called keratin.
Arthropod have exoskeleton. The exoskeleton is composed of a thin, outer protein layer, the epicuticle, and a thick, inner, chitin–protein layer.
Very little starch. Mostly protein and water.
thick filaments and thin filaments
Simply stated: ProteinsChannels within the structure of the cell membrane are composed of proteins. A protein that forms an ion channel through a membrane is called a transmembrane protein.
it is composed of individual morphological units called capsomers.
Virus (singular-virion)