Hello. Sure why not. :)))))
Answer;
The above statement is true
Explanation;
-Complement is a system of plasma proteins that can be activated directly by pathogens or indirectly by pathogen-bound antibody, leading to a cascade of reactions that occurs on the surface of pathogens and generates active components with various effector functions.
-C3b is the larger of two elements formed by the cleavage of complement component 3, and is considered an important part of the innate immune system. C3b is potent in opsonization: tagging pathogens, immune complexes (antigen-antibody), and apoptotic cells for phagocytosis.
Enzymes are proteins that behave as biological catalysts. They need to have a very specific three-dimensional shape in order for the reaction to occur. If the three-dimensional shape is not formed correctly then the chemical reaction, that is supposed to be promoted by the enzyme, may not occur.
Sphenoid bone spans the width of the cranial floor; keystone of the cranium <span>because its central wedge articulates with every other cranial bone </span>
Its a large ductless gland in the neck that secretes hormones regulating growth and development through the rate of metabolism.
