Examlex
If a mutation decreased the radius of a xylem vessel threefold,there would be an 81-fold increase in the volume of liquid moving through the vessel.
Armpit
The area beneath the junction of the arm and the body, known for its concentration of sweat glands.
Clonal Selection Theory
A theory in immunology that explains how the immune system responds to specific antigens by activating the clone of cells that can recognize and attack the invader.
Antigen
Foreign substance, usually a protein or a polysaccharide, that stimulates the immune system to react, such as to produce antibodies.
Q2: Prokaryotes are very important ecologically because of
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Q41: What is the primary function of the