The developing embryo is termed a fetus at what stage of pregnancy?
A. at the ninth month
B. after implantation
C. at the end of the second trimester
D. after the third month
Answer: D
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The neurons of nervous tissue are supported by
a. neuroglial cells. b. loose connective tissue. c. cartilage. d. muscle cells. e. dense connective tissue.
The first genetically modified food product available for human consumption in the United States was ________
A) the Flavr Savr tomato B) Golden Rice C) ice-minus bacteria D) RoundUp Ready corn E) Bt corn
The M-phase checkpoint ensures that all chromosomes are attached to the mitotic spindle. If this does not happen, cells would most likely be arrested in _____
A) telophase B) prophase C) prometaphase D) metaphase
Cross-sectional survey are conducted over a ____ period of time.
a. short b. long