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