The anticoagulant heparin is used for blood gases and other chemistry tests. It works by:
a. binding calcium ions
b. preventing the conversion of prothrombin to thrombin
c. preventing the conversion of plasminogen to plasmin
d. activating tissue thromboplastin
b
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Which of the following is true of cloning?
A) It is an imperfect process. B) It is an efficient process. C) Cloned animal embryos live for a long time. D) It requires the reproduction of a donor egg cell.
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Type AB is the universal donor
Indicate whether the statement is true or false
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