Answer:
Debido a la reacción con el oxígeno.
Explicación:
Los alimentos tienen áreas oscuras una vez que se cortan o pelan debido a la reacción del oxígeno con los fenoles de las frutas. El oxígeno en el aire puede hacer que la fruta en rodajas se dore debido a un proceso llamado pardeamiento enzimático, que es una reacción de oxidación. La enzima fenolasa se encuentra en las células de la manzana que reaccionan con el oxígeno cuando se exponen al aire al cortarlas o pelarlas, por eso los alimentos tienen áreas oscuras o marrones cuando se cortan o pelan.
Answer:
I believe for the measuring cup that the answer is B
Explanation:
Hope this helps (sorry if I'm wrong)
Weathering Is a Process That Helps Make Soil. All but one Statement Describes How to Rocks may Be Weathered. That is:
Answer:B. Rock Pieces are moved from Place to Place
Explaining: Rocks Charge Because of the effects of Natural Forces Like Wind, Water, as Well as moss and lichens. This Process Takes Place Over a Long Period of Time.Weathering does not include moving Rocks.That is Erosion.So the Answer Choice that Does Not Describe Weathering is Rock Pieces are moved from Place to Place
Answer
Optimal temperature for catalase activity is around 30'C because the highest amount of oxygen bubbles were observed at this temperature. Catalase activity decreases after optimal temperature. This happens because the enzyme becomes denatured.
Answer:
"Contains many young stars".
Explanation: