1) Cell differentiation creates what kinds of cells? a) specialized cells b) stem cells c) viruses d) no cells 2) The activation of specific genes in your DNA is called? a) cancer b) Cell differentiation c) RNA d) Specialization 3) Cell differentiation creates what kinds of cells? a) bone cells b) skin cells c) nerve cells d) all of the above 4) Which molecule controls cell differentiation? a) RNA b) DNA c) protein d) carbohydrate 5) Certain genes in DNA become _________________ when becoming specialized cells (bone cells, nerve cells, etc.)) a) turned off b) deactivated c) activated d) crazy 6) Cell differentiation is controlled by which molecule? a) DNA b) RNA c) Protein d) Carbohydrates 7) Bone cells, skin cells, nerve cells, and brain cells in an organisms have identical DNA. a) True b) False 8) Stem cells activate or turn on certain genes to create specialized cells. a) True b) False 9) Stem cells are specialized cells. a) True b) False 10) Gene expression is when genes are activated or turn on. a) True b) False

Cell differentiation

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