Answer:
Each time a cell prepares to divide into 2 new cells, it must make a new copy of the DNA in its chromosomes. This process is not perfect, and errors can occur that may affect genes within the DNA. Cancers can be caused by DNA mutations (changes) that turn on oncogenes or turn off tumor suppressor genes.
Explanation:
Answer:
3 can you think of other examples of toxic substances not listed in the gizmo from science 101 at Stephen decatur high
Answer:
The correct answer is C. replication fork.
Explanation:
Theory because a theory has to be backed up by several experiments
