What is the importance of cytoplasmic bridges formed between spermatocytes?
a. X bearing sperm cannot produce all cell products necessary for survival of the cell.
b. Y bearing cells have a greater amount of chromosomes.
c. They permit cytoplasmic exchange between the cells.
d. All of these.
C
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Physiology is the study of:
A) body structure B) body function C) the nature, causes, and development of abnormal conditions D) diseases
What type of immune defense cell is selectively invaded by AIDS virus?
a. cytotoxic T cells. b. helper T cells. c. suppressor T cells. d. macrophages. e. neutrophils.
Why do we now think that the Cenozoic radiation of monotremes had semiaquatic origins?
What will be an ideal response?
Tissue factor (Factor III) is a factor in the ________ pathway
A) extrinsic B) intrinsic C) common D) retraction E) fibrinolytic