Answer:
The correct answer is C: "The secretory phase of the uterine (menstrual) cycle occurs when <em>progesterone stimulates the endometrium to prepare it for implantation".</em>
Explanation:
The luteal phase, also known as a <u>secretory phase </u>or postovulatory phase, has place immediately <em>after ovulation</em>, from 15th to 28th day, and it lasts <em>until the end of the menstrual cycle</em> when bleeding starts again.
During the secretory phase, the <em>follicle</em> in the ovary <em>produces </em><em>progesterone</em> to keep <em>preparing the uterus for a possible pregnancy</em>. If there is no fecundation, estrogen and progesterone levels fall as the follicle reduces. When this happens, the endometrial is eliminated as menstruation and a new cycle begins.
<em>If the ovule is fecundated, </em><em>it occurs implantation</em><em> </em>and follicles continue to produce progesterone and estrogen in high amounts to sustain the endometrial until the placenta is formed.
Answer:
And unless people interfere, thermal energy — or heat — naturally flows in one direction only: from hot toward cold. Heat moves naturally by any of three means. The processes are known as conduction, convection and radiation. Sometimes more than one may occur at the same time.
Explanation:
Answer:enzyme converting starch into sugar catalyzes the reaction at 20 C and reaction rate decreases at lower temperature
Explanation:
Answer:
The reactants for photosynthesis are light energy, water, carbon dioxide, and chlorophyll.
