Defined medium -22 mM glutamate(C5H9NO4)
-20mM NH4Cl
-0.5 mM MgSO4 · 6 H2O
-0.8 mM CaCl2 · 2 H2O
-Trace elements and vitamin solution (sufficient amounts of Fe3+, Mn2+, Co2+, Cu2+, Zn2+, Ni2+, biotin, etc.)
-14 mM potassium phosphate buffer, pH 6.6 to 6.7
how many moles of nitrogen are provided per liter of the medium?

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

i believe the answer is 5,000