Human chorionic gonadotropin (hCG) is secrete by the embryo early in pregnancy to keep the corpus luteum for dying. This positive feedback will maintain the corpus luteum, which secretes Progesterone and Estrogens throughout pregnancy, in order to keep the endometrium well to nourish the embryo/fetus.
Explanation:
If water did not expand when freezing, then it would be denser than liquid water when it froze; therefore it would sink and fill lakes or the ocean from bottom to top. Once the oceans filled with ice, life there would not be possible.
The endoplasmic reticulum transports proteins around the cell, so when the ribosome makes the protein, the endoplasmic reticulum transports it to the Golgi body for further processing.
Answer:
o Glucose, which required light, water and carbon dioxide to form this substance
Answer:
The augmented reality (AR) technology
(A lunar-phase observation system)
Explanation: