What are two ways that cell division is regulated in healthy cells?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

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

Interferons play a vital role in the immune system why are interferons so important?