List the five major classes of antibodies. Which one is the most prevalent in the body?
What will be an ideal response?
The five major classes of antibodies are IgA, IgD, IgE, IgG, and IgM. The most prevalent antibody is IgG.
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Which of the following types of regulation involves binding to the active site?
A) Competitive inhibition B) Allosteric regulation C) Covalent modification D) Both B and C
The type of lamellae that forms the outside surface of compact bone is ________.
A. oppositional B. concentric C. circumferential D. appositional E. interstitial
Blood banks dispose of blood that has low levels of bisphosphoglycerate. What would be the probable reason for doing so?
A. A decline in BPG level is accompanied by a decline in hemoglobin level. B. A low BPG level causes acidosis of blood. C. Erythrocytes low in BPG do not unload O2 very well. D. Erythrocytes low in BPG do not load O2 very well. E. Erythrocytes low in BPG do not unload CO2 very well.
What is the midlife change in estrogen and progesterone levels referred to as?
A. Climacteric B. Menarche C. Atresia D. Menopause E. Pubarche