When an apple is cut (or bruised), oxygen is introduced into the injured plant
tissue. ... and the lower pH that they bring about causes PPO to become less
Sep 11, 2013 ... In this fun science project, learn about what happens to cut fruit and experiment
with how to stop apples from turning brown.
When you come back to your apple, it's gone brown all over. What happened? ...
But it may cause some vitamins to leach into the water. Rub the cut apples with ...
Oct 20, 2008 ... The moment a knife slices through apple—spilling the contents of apple cells
along the surface of the cut, and allowing everything to mix—a ...
Apples and other fruit turn brown once the cut surface is exposed to air due to a ...
Students observe the browning of apples after cut and being exposed to air and
brainstorm ideas about why this might be happening. .... Cause and Effect ...
www.ask.com/youtube?q=Causes Apples to Brown&v=gbArE5dv0W4
Jul 9, 2014 ... Brownies are brown because god said so. apples turn brown because ... Quick
question: What causes the tingling sensation in your arm or legs ...
Apr 15, 2014 ... The insides of apples turn brown when exposed to air thanks to a built in defense
mechanism against bacteria and fungus. The trigger for this is ...
Jan 21, 2013 ... The good news is that a brown apple is perfectly safe to eat. The bad news is that
it's ugly. The cause is enzymatic browning, a molecular ...
The enzyme then has access to oxygen in the air and it does its thing, turning the
fruit brown. This is the same thing that causes brown spots in apples when you ...
www.ask.com/youtube?q=Causes Apples to Brown&v=IsXgoYL8YIo
Sep 23, 2013 ... Check out this episode to learn which enzymes cause apples to t... ... which
enzymes cause apples to turn brown upon exposure to oxygen.