Menstrual flow results in the discharge of
a. the follicle.
b. the corpus luteum.
c. the lining of the uterus.
d. surface cells from the vagina.
e. blood from the blood vessels on the outer
surface of the uterus
C
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When does a chromosome go from one chromatid to two sister chromatids?
A. during the G1 phase of interphase B. during the G2 phase of interphase C. during the S phase of interphase D. during mitosis E. during cytokinesis
Target cells
a. are found only in specific endocrine glands. b. are equipped with specific receptor molecules. c. are never muscle cells. d. may occur in any part of the body. e. are equipped with specific receptor molecules and may occur in any part of the body.
What do hydrolases catalyze?
a. splitting water b. oxidation-reduction reactions c. splitting a molecule using water d. the transfer of a phosphate group e. reactions in which double bonds are formed
A technique used in dating a rock can be used to accurately predict the age of the fossils occurring in the rocks. This technique involves
A. radioactive isotope decay. B. successive rock layering. C. developmental geology. D. fossil dating. E. structural geology.