A genetic defect in the ?5 gene would cause which of the following consequences? (Select all that apply.)
a. inability to produce functional ? chains
b. inability to produce a pre-B-cell receptor
c. inability to produce functional ? or ? chains
d. production of different light chains owing to defects in allelic exclusion
e. B-cell immunodeficiency
f. chronic bacterial infections
g. requirement for prophylactic injections of antibodies from healthy donors.
b, e, f, g
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Fill in the missing word in the definition for the key term.
What is the primary damage caused to the cardiovascular system due to stress?
What will be an ideal response?
A device that sends an electrical shock to the heart to restore a normal heart rhythm is abbreviated as a(n) ________.
Fill in the blank(s) with the appropriate word(s).
What molecules-critical to all body processes-are proteins??
A) ?polysaccharides B) ?free radicals C) ?antibodies D) ?enzymes E) ?sterols