a researcher discovers a chemical that causes protons to build up to higher-than-normal levels inside the thylakoid. what is the most likely effect of this buildup?

Which statements are true of a scientific theory but not a hypothesis

List two limitations of natural selection

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed