The subatomic particles/units that govern potential chemical reactions among elements are A-electrons
B-nucleus
C-neutrons
D-orbitals
E-protons

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?