Sometimes pollen from a different species lands on the stigma of a flower Based on your knowledge of cell communication suggest a mechanism that
would ensure that only the correct species of pollen germinates on the stoma of
a particular type of flower

idk im sorry.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.