Calculate the percentage of the cell cycle spent in each stage. number of cells in given stage ÷ total number of cells counted × 100 = % of the cell cycle spent in this stage

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

What are potential sources of error in marta’s experiment

What are the three different shapes, or structures, of carbon-based molecules