[Q]: -  A person eats food - The person's blood sugar level rises - The pancreas receives a signal to release insulin - Insulin is released into the bloodstream - Insulin signals cells to absorb sugar - The cells absorb sugar from the bloodstream  What might be the last step of the process?
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[A]: The cells use the sugar as energy.


[Q]: -  The flu virus has receptors, which are like viral Velcro, on the surface of the virus particle - The receptors will lock onto a target cell using these chemical receptors on the surface, which docks onto the cell surface - The receptors  then go into the cell - The receptors use it like a factory - The receptors take it over and make it produce thousands or in some cases millions of copies of new viruses - The copies come streaming out of the cell  What might be the last step of the process?
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[A]: The copies infect other cells to make more viruses, or they escape from the body and infect a new victim


[Q]: -  Bread is exposed to the elements - Bread absorbs water from the air - Bread absorbs warmth from the air - Dust particles with mold spores fall on bread - Mold spores start to consume the bread for energy  What might be the last step of the process?
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[A]: Mold colonies grow until they are visible.


[Q]: -  Water gets into cracks in rocks - The water freezes into ice - The cracks expand - Over time the rocks split  What might be the last step of the process?
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[A]: