The development of the invaluable for the development of the cell theory

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

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

The fluid mosaic model of the membrane proposed that membranes