A typical antibody molecule is shaped:
Correct answer: B. Y
- A. X
- B. Y
- C. J
- D. H
Explanation
Each antibody consists of four polypeptides-two heavy chains and two light chains joined to form a "Y" shaped molecule.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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A typical antibody molecule is composed of how many identical heavy chains?
A typical antibody molecule is made up of how many identical light chains?
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