10. Why does Staphylococcus aureus turn yellow on MSA?
A. the microbes have fermented lactose
B. the microbes are salt-tolerant
C. the microbes have fermented mannitol
D. the microbes are resistant to eosin and methylene blue
E. the microbes are resistant to phenol red

Add me on s.n.a.p.c.h.a.t im bores hmu

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

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