You have purified the enzyme enolase from both beef heart and e. coli. enolase catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate. you have carried out preliminary kinetic analysis and obtained the following data: Enzym source Km VmaxBeef Heart 1.9x10^-3 M 290 nmol/minE. Coli 24x10^-6 M 18 nmol/minYour boss ask you which enzyme is more efficient. What is your answer and why?

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