What is Wallerian degeneration?
What will be an ideal response?
The complete degeneration of the distal end of an axon after it has been severed.
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During a cardiac cycle, how many of the four chambers contract at any one time?
A. 1 B. 2 C. 4 D. Highly variable, depending on the heart beat rate E. None of the choices is correct.
Of the two types of automictic parthenogenesis, thelytoky differs in that
A) Only homogametic males are produced. B) Only females are produced. C) Mitosis instead of meiosis generates diploid offspring. D) More than one of the above
The bundle of nerve roots that occupy the vertebral canal from L2 to S5 is called the __________.
A. medullary cone B. cauda equina C. lumbar enlargement D. cervical enlargement E. spinal cord
What is the enzyme that converts soluble fibrinogen to insoluble fibrin?
A. Prothrombin B. Thromboplastin C. Thrombin D. Plasmin