Answer the question using the accompanying figure. The variable region of a light chain is indicated by number____
a. 1
b. 2
c. 3
d. 4
e. 5
ANSWER: b
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A patient receiving hemodialysis began spiking a fever shortly after his treatment. Blood cultures were drawn and grew out the following gram-negative rods that were indole positive with varia-ble results for urea, nitrate reduction, and gelatin. The organism is most likely:
a. E. meningoseptica. b. E. brevis. c. CDC group O-1. d. Chryseobacterium spp.
The actions of insulin and glucagon are ____
a. synergistic b. permissive c. cooperative d. antagonistic e. mutualistic
Hardy-Weinberg calculations are based on
A) the binomial expansion. B) the quadratic equation. C) the Pythagorean theorem. D) comparing DNA sequences.
Which of the following is produced via the process of cellular respiration?
a. oxygen. b. light. c. food molecules. d. sugars. e. carbon dioxide.