Menstruation occurs when there is a decrease in
A) levels of estrogen and progesterone.
B) the number of follicles.
C) levels of FSH and LH.
D) endometrial thickness.
E) the number of sperm present.
A
Biology & Microbiology
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In what Eons was there very little appearance of new forms of life, how long did they last, and why
was there so little diversification?
What will be an ideal response?
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Initiation of transcription requires:a
a promoter sequence. b. DNA polymerase. c. an RNA primer. d. a DNA primer. e. Okazaki fragments
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A. C6H12O6. B. HCl. C. C4H8O4. D. C12H22O11.
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