Which kingdoms include only eukaryotes? A) Fungi and Plantae B) Plantae and Animalia C) Plantae, Animalia, and Protista D) Plantae, Animalia, Fungi, and Protista

What's the waste product of electrons and pyruvate combining in fermentation?  

During binary fission, what events must occur before the cell splits into two new cells?

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