1. Leaving Certificate Biology Enzymes SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. A substance that is made in a living cell and is able to speed up or slow down a chemical reaction in a living cell is called …………………. Enzyme SubstrateActivator Catalyst

3. The container in which a living thing is used in the production of something useful is called a ……….. Biosphere BioprocessorBioreactor Biotechnology

4. Which of the following is a word used to describe all the chemical reactions that occur in a living cell? CatabolismMetabolism AnabolismOrganism

5. Chemical reactions where two or more substances join together to make bigger substances are ……….. CatabolicAnabolic MetabolicMitotic

6. Chemical reactions where large molecules are broken down to smaller molecules are MetabolicAnabolic MitoticCatabolic

7. Which of the following is a reducing sugar? StarchFructose GlycogenCellulose

8. Human enzymes work best at which temperature? 0oC0oC10 o C 37 o C60 o C

9. Most human enzymes, except for those in the stomach, work best at a pH of a little greater than …….. 17 1014

10. Catalase causes hydrogen peroxide to change into water and oxygen. Catalase is the …………………….. EnzymeSubstrate ProductCatalyst

11. Catalase is an enzyme that causes hydrogen peroxide to change into water and oxygen. Hydrogen peroxide is the …………………….. EnzymeProduct SubstrateCatalyst

12. Catalase is an enzyme that causes hydrogen peroxide to change into water and oxygen. Water is one of the …………………….. Enzymes Products SubstratesCatalysts

13. What folded biomolecules are present in enzymes? CarbohydratesFats VitaminsProteins

14. An enzyme which is fixed to an inert material by chemical or physical means, e.g. trapped in beads or gel are…………………….. ImmovableImmobilised ImmunisationImmigration

15. Glucose isomerase is an enzyme used to change glucose to fructose which is sweeter and is used in the making of soft drinks. Changing glucose to fructose is called …………………………… BioreactorBiomass BioprocessingBiosphere

16. The enzyme that converts starch to maltose is SucraseAmylase LactaseProtease

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