Factors that affect enzymes GCSE Biology
Quiz by Mrs E Laxton
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14 questions
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- Q1Which of the following factors can affect the activity of enzymes?Substrate concentrationTemperatureLight intensitypH30s
- Q2Which of the following factors can denature enzymes?Substrate concentrationTemperatureSalt concentrationpH30s
- Q3Which of the following factors can affect enzyme activity by changing the shape of the active site?Substrate concentrationpHTemperatureInhibitors30s
- Q4Which of the following factors can impact enzyme activity by affecting the rate of collisions between enzymes and substrates?TemperatureCompetitive inhibitorspHEnzyme concentration30s
- Q5Which of the following factors can cause enzymes to lose their structure and function?Substrate concentrationTemperatureDenaturationpH30s
- Q6What process causes a protein to lose its shape and function?DenaturationHydrationMutationOxidation30s
- Q7What is the role of enzymes in biological systems?To provide structural support to cellsTo store genetic informationTo speed up chemical reactionsTo transport materials within cells30s
- Q8Which of the following statements about enzymes is true?Enzymes are specific in their actionEnzymes provide energy for cellular processesEnzymes can only function in acidic environmentsEnzymes can be used multiple times in different reactions30s
- Q9Which of the following factors can affect the activity of enzymes?Sunlight and air qualityExercise and sleep patternsTemperature and pHBlood type and genetics30s
- Q10What is the function of enzymes in digestion?To break down large molecules into smaller onesTo absorb nutrients from the small intestineTo produce bile in the liverTo filter toxins in the kidneys30s
- Q11What is the name of the enzyme that breaks down starch?AmylaseLipaseTrypsinPepsin30s
- Q12Which of the following is NOT a characteristic of enzymes?Enzymes can be reused multiple timesEnzymes are used up in the reactionEnzymes are specific in their actionEnzymes can be affected by temperature30s
- Q13What is the name of the enzyme that breaks down proteins?CellulaseProteaseAmylaseLactase30s
- Q14What is the name of the enzyme that breaks down lipids?AmylaseGlycolaseLipaseProtease30s