Which of the following is true?

a. uncontrolled cell growth alone is sufficient for the development of cancers.
b. mutations that inactivate tumor suppressor genes are important in cancer.
c. cancer is a single disease with one underlying molecular cause.
d. cancer is a single disease resulting from a common set of mutations.

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

How does natural selection change thephenotypes within a population over time?

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?