In the 19th century, dmitri mendeleev predicted the existent of a then unknown element, x, with a mass of 68. he also predicted that an oxide of x would have the formula x2o3, on the modern period table. what is the group number and period of the element?

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