When a primary tumor spread it called methastastasis
In summer, the amount of green pigment and chlorophyll are much more, in fall, the amount of chlorophyll and green pigment is less. That's the reason the leaves turn colors.
By examining the infected cells it was found that they contained DNA, which demonstrated that the DNA molecule is the phage's genetic material. Since the phage DNA entered the infected cell, it would be logical that the DNA is the genetic material. A molecules does not have to be labeled for it to be genetic material.
