Efficiency is a measure of how much of the work put into a machine is converted into useful output work. Why can efficiency never reach 100%? А) acceleration
B) elasticity
C)friction
D) gravity

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus

a symbiotic relationship with the mitochondria

maybe because its impossible for balloons to lift a whole entire house.

protistas excret ethanol used in the manufacture of vinegar