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In this chemistry challenge, learners identify which plants have the enzyme "catalase" ... More

In this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen. Multiple fruits and vegetables, both raw and cooked (a few seconds in boiling water, or 30 seconds in the microwave) should be available for testing. Preparation time can be shortened by using a food processor. Background information is provided about enzymes (proteins that act as catalysts), and the specific enzyme catalase, which catalyzes hydrogen peroxide. Since heating destroys enzymes, cooked fruits and vegetables have no catalytic activity. Less

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Subject:
Education
Life Science
Chemistry
Material Type:
Activities and Labs
Instructional Material
Provider:
Science and Math Informal Learning Educators (SMILE)
Sciencenter
Provider Set:
SMILE Pathway: Science and Math Activities in One Search
SMILE Pathway
Author:
American Chemical Society
Camille and Henry Dreyfus Foundation, Inc.
Sciencenter
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.)310.1( tcejbus ngised enotspac eht dna )150.1 ,140.1 ,130.1( stcejbus ngised aera ... More

.)310.1( tcejbus ngised enotspac eht dna )150.1 ,140.1 ,130.1( stcejbus ngised aera ytlaiceps tneuqesbus eht ni desu si hcihw decudortni si esac ngised egral A .naps efil detcepxe dna ,srotcaf laicos dna cimonoce ,tnemnorivne larutan ,tnemnorivne tliub gnitsixe eht fo noitaredisnoc sa llew sa sehcaorppa lacinhcet snrecnoc ylticilpxe ngised tcejorP .)sdaor dna segdirb ,sgnidliub ,.g.e( seitilicaf tliub no sisahpme na htiw ,sesac ngised lareves sedulcnI .gnireenigne livic ni secitcarp dna seussi ngised sa llew sa ,gnivlos-melborp evitaerc dna ngised gnireenigne fo seuqinhcet dna ,sloot ,yroeht eht ot stneduts secudortnI Less

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