What happens when a group of cells forms that has no purpose but to continue to multiply?

What happens when a group of cells forms that has no purpose but to continue to multiply?
 
  A) They form a tumor.
  B) They die off.
  C) They destroy oncogenes.
  D) They invade surrounding tissues.

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What is the term used to describe the first stage of cancer?
 
  A) initiation
  B) mutation
  C) metastasis
  D) malignancy

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DNA is responsible for which of the following?
 
  A) instructing the cell to reproduce
  B) coding for the proteins involved in the body's healing process
  C) regeneration of defective proteins
  D) All of the answers are correct

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Cancer growth begins at what cellular level?
 
  A) nucleus
  B) protein
  C) DNA
  D) tissue

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An abnormal growth with no physiological function is known as a(n)
 
  A) mole.
  B) anomaly.
  C) tumor.
  D) aneurysm.