The heavy chains of an immunoglobulin differ by having _____.
A) fewer lipids
B) more amino acids
C) more antigen sites
D) more sulfur atoms
Ans: B) more amino acids
Anatomy & Physiology
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Due to the structure of the ________, a large amount of moisture is added to the respiratory system every day
A) Conchae B) Nares C) Eustachian tube D) Trachea
Anatomy & Physiology
The process of dissolving bone and returning its minerals to the bloodstream is known as ________.
A. resorption B. mineralization C. crystallization D. mineral deposition E. ossification
Anatomy & Physiology
The only flagellated cells in humans are ________.
A. sperm B. ova C. goblet cells D. tumor cells
Anatomy & Physiology
Which disorder is a congenital defect characterized by brittle bones that lack collagen fibers?
A. Osteoarthritis B. Osteogenesis imperfecta C. Rickets D. Osteomalacia
Anatomy & Physiology