An important protein in the activation of the alternative pathway of complement activation is
A) properdin.
B) interferon.
C) histamine.
D) fibrin.
E) C1.
A
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The main nerves and blood vessels supplying the individual muscle fibers are contained within and branch through which of the following?
A) perimysium B) epimysium C) endomysium D) the myoblasts E) epimysium and perimysium
Which of the following is (are) true in regard to the fetal stage of development?
A) The organ systems are mostly formed, although immature. B) All of the above C) It begins 8 weeks after fertilization. D) The head is disproportionately large compared to the rest of the body at the beginning of the stage.
Is it necessary for a cell to produce one enzyme molecule for every substrate molecule that needs to be catalyzed? Why or why not?
What will be an ideal response?
A solution that contains one osmole of solute in one kilogram (kg) of water is called a
A. 1% solution. B. 1 molar solution. C. 10% solution. D. 1 osmolal solution. E. None of these choices are correct.