The menstrual phase occurs mainly due to the declining level of which hormone?
a. Progesterone
b. Luteinizing hormone
c. Estrogen
d. Follicle stimulating hormone
Ans: a. Progesterone
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Large molecules move across cell membrane with the help or assistance of protein carriers. This type of transport is generically called _______
A. mediated transport B. passive transport C. active transport
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