https://padlet.com/sakki2010/tnpaj0gg78ti The effect of hydrogen peroxide on catalase, an enzyme found in the liver that breaks down hydrogen peroxide. en-us 2017-02-16 01:42:57 UTC 2023-04-15 12:12:10 UTC hello@padlet.com sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154204624 The effect of hydrogen peroxide on catalase, an enzyme found in the liver that breaks down hydrogen peroxide.]]> 2017-02-16 01:49:12 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154204624 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154209759 Will the liver break down the hydrogen peroxide into both Oxygen and Water, O₂ and H₂O? 

]]> 2017-02-16 02:37:27 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154209759 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154209860 Water
Liver
Test Tubes- 5
Hydrogen Peroxide
Wooden Splint
Match

]]> 2017-02-16 02:38:27 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154209860 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154210757 Step 1:
Take 5 Identical Test Tubes and add 2 cm of water to two of them and add 2 cm of hydrogen peroxide to the other three.
Step 2:
Put a piece of liver into each test tube, except Test Tube C
Step 3:
Take Test Tube E and boil it.
Step 4:
Test Tube B and D should react, giving off oxygen, which is flammable, and water.
Step 5:
Light the Wooden Splint and let it burn out until red ashes remain, and then touch it to Test Tube B, C and D. Test Tube C should not react, but B and D should.
Step 6:
Add Hydrogen Peroxide to Test Tube E, and follow the instructions given in Step 5.
Step 7:
Record Results]]> 2017-02-16 02:46:43 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154210757 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154211402 2017-02-16 02:55:26 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154211402 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154211451 In Order from left to right:
A, B, C, D, E]]> 2017-02-16 02:55:50 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154211451 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154212274 Click on For Larger Image]]> 2017-02-16 03:04:07 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154212274 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154212424 I believe that the enzyme, catalase, which is found in liver will break down the hydrogen peroxide into oxygen and water, until a certain temperature or pH at which point the enzyme will denature.]]> 2017-02-16 03:06:05 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154212424 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154212610 As believed, the catalase did break down the hydrogen peroxide into oxygen and water, and when the resulting "foam" was lit with a match it ignited, proving the presence of oxygen. As proven by Test Tube E, when the liver containing the enzyme was heated to a certain point, the enzyme denatured and the reaction did not occur.]]> 2017-02-16 03:08:29 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154212610 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154213015 http://bit.ly/qJ1c51]]> 2017-02-16 03:13:42 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154213015 sakki2010 https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154213114 1. Enzymes are proteins, such as catalase, that act as a natural catalyst that speed up reactions between an enzyme and a product, known as a substrate.
2. When hydrogen peroxide was added to the liver in Test Tube B, the catalase split the hydrogen peroxide into oxygen gas and water.
3. It causes a small flame, which is due to the oxygen gas being trapped in the bubbles, and it sets the oxygen on fire.
4. The temperature, if it is do high or cold, will denature the enzymes, proven in Test Tube E.]]> 2017-02-16 03:15:06 UTC https://padlet.com/sakki2010/tnpaj0gg78ti/wish/154213114