Examlex
The operon segment composed of the gene that codes for a protein repressor is called the ________.
Heart
A muscular organ responsible for pumping blood through the circulatory system.
Mitral Valve
A valve in the heart that allows blood to flow from the left atrium into the left ventricle but prevents it from flowing back into the atrium.
Atrioventricular Valve
Heart valves located between the atria and ventricles of the heart, facilitating unidirectional blood flow.
Bicuspid Valve
A valve in the heart that has two cusps or flaps, and controls blood flow between the left atrium and the left ventricle; also known as the mitral valve.
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