Which statement is true of cancer?

mutations in certain genes cause tumors.

tumor cells lack growth factors and dna.

dna mutations are unrelated to cancer.

cancer results when cells stop dividing.

What enzyme is most important for dna replication and why?

Where can a dna be found in a prokaryotic cell

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?