The oxygen carrier leghemoglobin is a hemoprotein found in leguminous plants. In plants with nitrogen fixing bacteria (such as alfalfa or soybeans), the presence of oxygen will poison the bacterium. Leghemoglobin acts as a natural defense against oxygen toxicity by scavenging free oxygen in these systems. The protein itself is a product of both the plant and the bacterium; the apoprotein is produced by the plant and the heme by the bacterium.
... noun or adjective, Royalist, can have several shades of meaning. At its simplest, it refers to an adherent of a monarch or royal family.
Of the more specific uses of the ...