Which term-definition pair is mismatched?
A. Coagulase - dissolves fibrin clots
B. Capsule - antiphagocytic factor
C. Leukocidins - damage white blood cells
D. Fimbriae - adherence to substrate
E. Hemolysins - damage red blood cells
Answer: A
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Antibodies are formed by which cells of the immune system? Select all correct choices
A. phagocytes B. B cells C. natural killer cells D. T cells E. mast cells
External economies (typically achieved in urban areas) result from all of the following except
A) shared labor markets. B) shared information and innovation. C) shared infrastructure. D) shared fixed social capital. E) shared profits.
Describe the major similarities and differences in the location, structure, and function of the trachea and esophagus.
What will be an ideal response?
In the construction of a YAC library, each chromosome has the advantage of being able to hold very long DNA sequences. However, besides selectable marker(s) the YAC vector must minimally include which of the following?
A) a bacterial origin (ori) B) cos site(s) and origin C) centromere, telomeres, and yeast origin D) centromere and origin E) centromere and telomeres